2018-2026 Audi Q8 SUV Driver assistance -> Adaptive cruise assist User Manual
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Driver assistance -> Adaptive cruise assist for Your Audi Q8 SUV First Generation (2018-2026)

Driver assistance  
Turning Predictive messages on or off  
cruise control automatically brakes to match that  
vehicle's speed and then maintains the set dis-  
tance as much as possible. Once the system does  
not detect a vehicle traveling ahead, adaptive  
cruise control will accelerate up to the set speed.  
You can turn the predictive messages on or off in  
the Efficiency assist menu ðpage 146.  
WARNING  
Within the limitations of the system, lane guid-  
ance provides corrective steering to assist the  
driver with keeping the vehicle in the center of  
the lane as much as possible. You can adjust if  
the adaptive cruise assist will provide support  
with lane guidance ðpage 151, Turning lane  
guidance on or off.  
Observe the safety precautions and note the  
limitations of the assist systems, sensors,  
and cameras ðpage 127 to ðpage 130.  
Pay attention to traffic and the area around  
your vehicle when efficiency assist is turned  
on. The driver is always responsible for as-  
sessing the traffic situation.  
In stop-and-go traffic and in traffic jams, the ve-  
hicle may brake to a full stop and then may also  
start driving again automatically under certain  
conditions.  
Tips  
The traffic signs on the road always take pri-  
ority over the display. The driver is always  
responsible for adhering to the regulations  
applicable in the country where the vehicle  
is being operated.  
Applies to: vehicles with traffic jam assist: In traf-  
fic jams or in stop-and-go traffic, the traffic jam  
assist can assist you in staying within the lane  
detected by the system ðpage 152.  
When a route is planned using the naviga-  
tion system*, then system displays messag-  
es based on an assumed route. Without  
route guidance, the system displays mes-  
sages based on an assumed route.  
Applies to: vehicles with predictive control: pre-  
dictive control can adjust the speed based on  
traffic and road conditions ðpage 153, Predic-  
tive control.  
The wording of the message may vary de-  
pending on the Audi drive select* mode and  
the selector position that are selected. No  
messages are displayed when in the "S" driv-  
ing program.  
WARNING  
Observe the safety precautions and note the  
limitations of the assist systems, sensors, and  
cameras ðpage 127 to ðpage 130.  
Adaptive cruise assist  
Tips  
General information  
Applies to: vehicles with adaptive cruise assist  
The system complies with United States FCC  
regulations and ISED regulations ðpage 330.  
Depending on the vehicle equipment, the adap-  
tive cruise assist may consist of the following  
functions:  
Within the limitations of the system, the adap-  
tive cruise control assists you while driving in  
controlling the speed and the set distance to the  
vehicle traveling ahead. If the system detects a  
vehicle traveling ahead, the adaptive cruise con-  
trol can brake and accelerate your vehicle within  
the limitations of the system. On open roads with  
no traffic, it functions like a cruise control sys-  
tem. The stored speed is maintained. When ap-  
proaching a vehicle traveling ahead, the adaptive  
147  
Driver assistance  
The system does not respond to people, ani-  
mals, or objects that are crossing or approach-  
ing from the opposite direction.  
Limitations  
Applies to: vehicles with adaptive cruise assist  
WARNING  
Observe the safety precautions and note the  
limitations of the assist systems, sensors, and  
cameras ðpage 127 to ðpage 130.  
Display overview  
Applies to: vehicles with adaptive cruise assist  
Fig. 99 Example: driving into a curve  
In some situations, the adaptive cruise assist  
function is limited and you must assume control  
of the vehicle when necessary, for example by ap-  
plying the brakes.  
When driving into a curve ðfig. 99 and out of a  
curve, the system may respond to a vehicle in  
the neighboring lane and apply the brakes. You  
can override the system by pressing the acceler-  
ator pedal briefly.  
Fig. 100 Instrument cluster: display in speedometer  
The system works with the various sensors and  
cameras in the vehicle. Vehicles can only be de-  
tected once they are within the area and range  
covered by the sensors ðpage 128, fig. 89.  
When driving around tight curves, a vehicle  
traveling ahead that was previously detected  
may no longer be detected, and the adaptive  
cruise assist may accelerate unexpectedly.  
The system does not respond to a stationary ve-  
hicle in the same lane if it expects that you can  
easily drive around the stationary vehicle by  
turning the steering wheel.  
The system cannot respond to stationary obsta-  
cles, such as vehicles at the end of a traffic jam,  
especially when traveling at high speeds.  
The system has a limited ability to detect  
vehicles that are traveling a short distance  
ahead, off to the side of your vehicle, or moving  
into your lane.  
Fig. 101 Instrument cluster: driver assistance display with  
or without area view  
Objects that are difficult to detect, such as mo-  
torcycles traveling ahead, vehicles with high  
ground clearance, or vehicles with an overhang-  
ing load, may be detected late or not detected  
at all.  
The driving situation and the settings are dis-  
played in the instrument cluster ðfig. 100. The  
displays depend on the country and equipment.  
148  
Driver assistance  
Display in the speedometer  
Indicator lights  
The display in the speedometer is not available in  
all layouts*.  
– The speed/distance control is active. No  
vehicles traveling ahead were detected. The stor-  
ed speed is maintained.  
1
2
3
Marking for the set speed  
Current vehicle speed  
– The speed/distance control is active. A vehi-  
cle traveling ahead was detected. The system  
controls the speed and distance from the vehicle  
traveling ahead, and accelerates and brakes auto-  
matically.  
Available speed range for adaptive cruise as-  
sist (example)  
View in the driver assistance display  
Depending on the equipment, the vehicle may  
have a driver assistance display with or without  
area view.  
Applies to: vehicles with traffic jam assist  
– Traffic jam assist with improved lane guid-  
ance is active ðpage 152.  
The driver assistance display without area view  
ðfig. 101 (top) provides information about the  
system status. The display only appears if it was  
opened in the trip computer ðpage 19.  
– The speed/distance control is active but the  
vehicle is not ready to drive. A vehicle traveling  
ahead was detected. Your vehicle is stationary  
and will not start driving automatically  
ðpage 157.  
The driver assistance display with area view  
ðfig. 101 (bottom) will also show other vehicles  
that are detected, within the limitations of the  
system. The display of the objects will be simpli-  
fied and might differ from the actual objects. The  
area view will only appear if the tab has been  
selected in the instrument cluster.  
– The speed/distance control is active but the  
vehicle is not ready to drive. No vehicles traveling  
ahead were detected. Your vehicle is stationary  
and will not start driving automatically.  
- The vehicle has been stationary for too long  
and is not ready to drive. The indicator light and a  
message indicate that the ready to drive status  
can be activated again ðpage 157, Starting to  
drive with adaptive cruise assist.  
4
5
6
7
Messages and settings  
Your vehicle  
Detected vehicle traveling ahead  
Highlight on the vehicle for which the system  
is currently adjusting  
– Take over. The braking power is not suffi-  
cient ðpage 152, Brake intervention request or  
the safe start monitor is providing a warning  
ðpage 157.  
8
9
Messages and settings  
Set target distance  
10  
If you fall below the set distance, the dis-  
tance bars turn red from the bottom upward.  
– Lane guidance is active.  
11  
12  
Lane departure warning availability or inter-  
vention display  
– Actively take over steering immediately. The  
system limitations have been reached  
ðpage 153, Steering intervention requests.  
Availability of lane guidance for adaptive  
cruise assist  
– Lane guidance is turned on but it is not ac-  
13  
14  
Width of the sensor coverage area  
tive ðpage 152, Lane guidance limitations.  
Green markings in the direction of the vehicle  
for which the system is currently adjusting  
/ – Actively take over steering immediate-  
ly. No steering detected or a system limitation  
has been reached ðpage 153, Steering interven-  
tion requests.  
15  
16  
Side assist display  
Vehicle detected in the adjacent lane  
149  
Driver assistance  
SET  
Press the  
cated with a marking in the speedometer  
ðpage 148, fig. 100 and shown in the instru-  
ment cluster ð  
button 2 . The set speed is indi-  
WARNING  
1
Observe the safety precautions and note the  
limitations of the assist systems, sensors, and  
cameras ðpage 127 to ðpage 130.  
.
To store the speed while the vehicle is station-  
ary, also hold the brake pedal down.  
Tips  
You can set any speed between 15 mph  
(20 km/h) and the maximum possible speed  
range 3 ðpage 148, fig. 100.  
The sensor coverage area and the area view  
ðfig. 101 are schematic diagrams that do  
not display actual dimensions.  
Pausing cruise control  
Applies to: vehicles with area view: Objects  
approaching from behind will be depicted as  
vehicles, regardless of the actual object  
type.  
The control can be stopped at any time:  
While driving or when the vehicle is stationary:  
Press the lever away from you in the direction  
of the arrow, or  
While driving: Press the brake pedal.  
Using adaptive cruise assist  
Applies to: vehicles with adaptive cruise assist  
The indicator light turns off.  
Resuming regulation  
The previously set speed can be resumed at any  
time after a pause.  
To resume cruise control while driving, pull the  
lever toward you in the direction of the arrow.  
To resume cruise control when stationary, pull  
the lever toward you in the direction of the ar-  
row while pressing the brake pedal.  
Fig. 102 Lever: using adaptive cruise assist  
Changing the speed  
To increase or decrease the set speed in smaller  
increments, briefly tap the lever toward  
to the first level.  
To increase or decrease the set speed in larger  
increments, briefly tap the lever toward or  
to the second level.  
To increase or decrease the set speed continu-  
ously, hold the lever toward or until the  
+
or  
-
+
-
+
-
Fig. 103 Lever: changing the speed  
marking in the speedometer 1 ðpage 148,  
fig. 100 has reached the desired speed.  
Turning on  
Applies to: vehicles with predictive control: Pre-  
dictive control can automatically adjust the set  
speed based on traffic and road condi-  
tions ðpage 153.  
To turn on the adaptive cruise assist, pull the  
lever up to position 1 until it engages.  
Storing the speed and activating regulation  
If you have turned on the system, you can set the  
current speed as the “regulated speed” and acti-  
vate regulation:  
Preselecting a speed  
You can also preselect the speed when adaptive  
cruise assist is not active by moving the lever in  
150  
Driver assistance  
the desired direction + / - . Activate the previ-  
ously selected speed by pulling the lever toward  
you in the direction of the arrow.  
the country where the vehicle is being oper-  
ated.  
If you turn off the ignition or the adaptive  
cruise assist, the stored speed is erased for  
safety reasons.  
Turning off  
If you do not want to use the adaptive cruise as-  
sist for a longer period of time, you can turn it  
off.  
When the adaptive cruise assist is turned  
on, the ESC and the ASR are turned on auto-  
matically.  
The system cannot be turned off or it may  
be interrupted if the road exceeds the maxi-  
mum possible grade for safe operation.  
Push the lever away from you into position  
until it clicks into place.  
0
The indicator light and the set speed will turn off.  
Turning lane guidance on or off  
Applies to: vehicles with adaptive cruise assist and lane guid-  
ance  
WARNING  
Observe the safety precautions and note the  
limitations of the assist systems, sensors,  
and cameras ðpage 127 to ðpage 130.  
Adaptive cruise assist is only an assist sys-  
tem, and the driver is still responsible for  
vehicle operation. The driver is especially re-  
sponsible for braking, steering, starting to  
drive, and controlling the speed and the dis-  
tance from other vehicles.  
Turn on adaptive cruise assist only if the sur-  
rounding conditions permit it. Always adapt  
your driving style to the current visual,  
weather, road, and traffic conditions.  
Fig. 104 Turn signal lever: button for lane guidance and  
lane departure warning  
Within the limitations of the system, lane guid-  
ance provides corrective steering to assist you  
with keeping the vehicle in the center of the lane  
as much as possible. This feature can be deacti-  
vated.  
Turn off adaptive cruise assist temporarily  
when driving in turning lanes or highway ex-  
its. This prevents the vehicle from accelerat-  
ing to the stored speed when in these situa-  
tions.  
SET  
If you press the  
button 2 when driving  
In a traffic jam, lane guidance also helps with  
leaving a space for emergency vehicles by  
steering your vehicle as close to the edge of your  
lane as possible.  
at speeds below 15 mph (20 km/h), the  
minimum possible speed that the system  
can maintain will be set. If no vehicle is de-  
tected ahead of you, the vehicle will acceler-  
ate up to that speed.  
1)  
Turning lane guidance on or off  
You can turn the availability of lane guidance on  
Tips  
or off under Adaptive cruise assist in the driver  
assistance menu ðpage 131, or  
Briefly press the 1 button on the turn signal  
Always keep your hands on the steering  
wheel so you can be ready to steer at any  
time. The driver is always responsible for  
adhering to the regulations applicable in  
lever.  
1)  
In certain countries.  
151  
Driver assistance  
The availability of lane guidance is indicated by  
ty immediately to have the malfunction correct-  
ed.  
12  
arrows ðpage 148, fig. 101 and indicator  
lights ðpage 149 in the driver assistance display.  
WARNING  
The system can assist you by providing corrective  
steering only when adaptive cruise assist is ac-  
tively regulating and availability is turned on.  
Observe the safety precautions and note the  
limitations of the assist systems, sensors, and  
cameras ðpage 127 to ðpage 130.  
Lane guidance limitations  
Tips  
If  
turns white, lane guidance is turned on but  
is not active. This may occur due to the following  
system limitations or situations:  
Always keep your hands on the steering  
wheel so you can be ready to steer at any  
time. The driver is always responsible for  
adhering to the regulations applicable in  
the country where the vehicle is being oper-  
ated.  
The necessary lane marker lines have not been  
detected (for example, in a construction zone  
or because the lines are obstructed by snow,  
dirt, water, or lighting)  
Audi recommends only turning on lane  
guidance on well-constructed roads.  
The lane is too narrow or too wide.  
The curve is too narrow.  
Visibility is obstructed by a rise or dip.  
The turn signal was activated.  
The driver's hands are not on the steering  
wheel.  
Driver intervention requests  
Applies to: vehicles with adaptive cruise assist  
Traffic jam assist with improved lane  
guidance  
Applies to: vehicles with traffic jam assist  
The indicator light will be on when the traffic  
jam assist with improved lane guidance is active.  
A vehicle traveling ahead was detected. The sys-  
tem controls the speed and distance from the ve-  
hicle traveling ahead, and accelerates and brakes  
automatically. Traffic jam assist is available at  
speeds below 40 mph (60 km/h).  
Applies to: driver assistance display without area view  
Fig. 105 Instrument cluster: brake intervention request  
Messages  
If  
is displayed when there is a malfunction,  
the functions may be unavailable or limited.  
A message that indicates the cause and possible  
solution may appear with some displays. The  
weather conditions may be too poor or a sensor  
may be obstructed. Clean the area in front of the  
sensors ðpage 130 and try to turn on the sys-  
tems again later.  
Applies to: driver assistance display with area view  
Fig. 106 Instrument cluster: brake intervention request  
Brake intervention request  
If the indicator light turns on and the mes-  
1)  
sage Distance! appears, press the brake pedal  
If the malfunction remains, drive to an author-  
ized Audi dealer or authorized Audi Service Facili-  
to slow down your vehicle ð  
.
1)  
Depending on vehicle equipment  
152  
Driver assistance  
The braking effect by the adaptive cruise assist is  
not strong enough to maintain a sufficient dis-  
tance to the vehicle traveling ahead in this situa-  
tion.  
The intervention requests may be accompa-  
nied by additional audio or visual signals,  
depending on the situation.  
Predictive control  
Applies to: vehicles with adaptive cruise assist and predictive  
control  
This view 1 will also appear if you have selected  
the driver assistance display in the trip computer  
ðpage 19 or if you selected the tab.  
Steering intervention requests  
If the  
indicator light turns on, actively take  
over steering immediately. The limitations of the  
system have been reached, for example because  
the system’s steering power is not sufficient in  
curves that are too narrow. The system will be-  
come inactive after a short time and will only be-  
come available again later.  
Fig. 107 Instrument cluster: speedometer: predictive con-  
trol display  
If the or indicator lights turn on and a cor-  
responding message appears, actively take over  
steering immediately. Sufficient steering activity  
was not detected or a system limitation has been  
reached. Keep your hands on the steering wheel  
so you can be ready to steer at any time. If you do  
not take over steering, adaptive cruise assist will  
be canceled. If the vehicle is equipped with emer-  
gency assist and it is ready to function, it will be  
activated ðpage 170.  
General information  
With predictive control, efficiency assist adapts  
the set speed in adaptive cruise control 1 based  
on detected speed limits and the upcoming  
route. Once the system no longer detects any in-  
cidents, adaptive cruise control will accelerate  
again to the last speed that you set. After turning  
on the ignition, a message appears when adap-  
tive cruise assist is first activated to indicate if  
predictive control is available  
1)  
.
WARNING  
Incident symbols indicate the situation to which  
predictive control is responding ðpage 146, Sit-  
uation symbols.  
Observe the safety precautions and note the  
limitations of the assist systems, sensors,  
and cameras ðpage 127 to ðpage 130.  
Adaptive cruise assist is only an assist sys-  
tem, and the driver is still responsible for  
vehicle operation. The driver is especially re-  
sponsible for braking, steering, and main-  
taining the distance to other vehicles.  
Requirements  
At least one predictive control function is  
turned on in the Driver assistance menu under  
Adaptive cruise assist ðpage 131.  
Adaptive cruise assist must be actively regulat-  
ing ðpage 150.  
Tips  
The system can only respond to speed limits  
that are 15 mph (20 km/h) or higher.  
The map content of the navigation system*  
must be updated regularly in order for the sys-  
tem to work without restrictions ðpage 223.  
Always keep your hands on the steering  
wheel so you can be ready to steer at any  
time. The driver is always responsible for  
adhering to the regulations applicable in  
the country where the vehicle is being oper-  
ated.  
1)  
Depending on vehicle equipment  
153  
Driver assistance  
Display in the speedometer  
If the malfunction remains, drive to an author-  
ized Audi dealer or authorized Audi Service Facili-  
ty immediately to have the malfunction correct-  
ed.  
The display depends on vehicle equipment and is  
not available in all layouts*.  
1
The marking shows the set speed (regulated  
speed that was set by you or by the predictive  
control).  
WARNING  
Observe the safety precautions and note the  
limitations of the assist systems, sensors,  
and cameras ðpage 127 to ðpage 130.  
Pay attention to traffic and the area around  
your vehicle when predictive control is  
turned on. The driver is always responsible  
for assessing the traffic situation.  
2
3
The red band shows the difference between  
the speed limit and the set speed that is set.  
The gray band shows if the vehicle speed is  
planned to drop below the set speed due to  
the road layout.  
Overriding control  
The system does not consider “right of way”  
rules and does not respond to traffic lights,  
so lack of driver attention in these situations  
can increase the risk of an accident.  
You can override the predictive control at any  
time by pressing the accelerator pedal. If the sys-  
tem changes the vehicle speed to adapt to speed  
limits, you can change the speed using the lever  
ðpage 150, fig. 103.  
The speed when driving through curves may  
be different from what you as a driver would  
do or may not be suitable for the weather  
and road conditions. If necessary, apply the  
brakes and reduce the selected speed to be  
maintained in the Adjustment to curves  
along route setting to reduce the risk of an  
accident.  
Setting predictive control  
You can turn the predictive control on or off or  
adjust its settings in the Driver assistance menu  
under Adaptive cruise assist ðpage 131. The  
settings depend on the vehicle equipment.  
Set speed limit – adaptation to speed limits can  
be turned On or Off. Regulation With tolerance  
can also be selected, if desired. In this scenario,  
you may fall below or exceed the set speed in fa-  
vor of increased efficiency.  
Tips  
Predictive control can exceed or drop below  
the maximum permitted speed. The driver  
is always responsible for adhering to the  
permitted speed limits.  
Adjustment to curves along route – the adjust-  
ment to the route ahead can be turned Off or set  
individually from Slow to Fast. The setting influ-  
ences vehicle handling with predictive control,  
for example the speed for driving through curves.  
The traffic signs on the road always take pri-  
ority over the display. The driver is always  
responsible for adhering to the regulations  
applicable in the country where the vehicle  
is being operated.  
Messages  
If a speed limit is detected, the marking  
1
of the set speed limit will be adjusted even  
if the adaptive cruise assist is not actively  
regulating.  
If  
and a message with Predictive control is  
displayed when there is a malfunction, the func-  
tions are unavailable or limited.  
Control by the system depends on which  
adaptive cruise assist driving program is set  
or on the selected Audi drive select* mode.  
After turning on the ignition and first driv-  
ing onto a freeway or similar road without a  
speed limit, the system will regulate the  
A message that indicates the cause and possible  
solution may appear with some displays. The  
weather conditions may be too poor or a sensor  
may be obstructed. Clean the area in front of the  
sensors ðpage 130 and try to turn on the sys-  
tems again later.  
154  
Driver assistance  
1)  
speed to 80 mph (130 km/h) . Then the  
er the speed, the greater the distance that is  
needed. The following distances can be set:  
system adjusts to the last speed set by the  
driver.  
Sym- Time distance  
bol  
Distance at 62  
mph (100 km/h)  
There is no adaptation to speed limits when  
driving through highway interchanges and  
when driving on or off the expressway.  
The system can fail to provide control or the  
control may be faulty if the values from the  
camera-based traffic sign recognition* are  
incorrect or the navigation system* map da-  
ta is outdated.  
Approximately 1  
second  
92 feet (28 m)  
118 feet (36 m)  
Approximately 1.3  
seconds  
Approximately 1.8  
seconds (the set-  
ting corresponds to  
When route guidance is turned on, the sys-  
tem adapts to the route provided by the  
navigation system. Driving without route  
guidance or leaving a route can result in  
faulty control.  
164 feet (50 m)  
a distance that is  
“half of the vehicle  
speed”)  
Approximately 2.4  
seconds  
219 feet (67 m)  
328 feet (100 m)  
Setting the distance  
Approximately 3.6  
seconds  
Applies to: vehicles with adaptive cruise assist  
WARNING  
Observe the safety precautions and note the  
limitations of the assist systems, sensors, and  
cameras ðpage 127 to ðpage 130.  
Tips  
When setting the distance, the driver is re-  
sponsible for adhering to any applicable le-  
gal regulations.  
Fig. 108 Lever: setting the distance  
In the driver assistance display, a graphic  
view is shown instead of the indicator lights.  
The display matches the functions of the in-  
dicator lights.  
When approaching a vehicle traveling ahead, the  
adaptive cruise assist brakes to the set speed and  
then maintains the set distance. If the vehicle  
traveling ahead accelerates, then the adaptive  
cruise assist will also accelerate up to the speed  
that you have set.  
Depending on the selected driving program  
and distance, driving behavior when acceler-  
ating may vary from moderate to sporty  
ðpage 158, Adjusting the adaptive cruise  
assist.  
Tap the rocker switch to display the distance  
that is currently set.  
To increase or decrease the distance in incre-  
The distances provided are specified values.  
Depending on the driving situation and the  
driving style of the vehicle traveling ahead,  
the actual distance may be more or less  
than these target distances.  
ments, tap the switch again toward  
+
or - .  
The newly-set distance will be shown briefly, for  
example with the indicator light.  
If you adjust the speed, you must also change the  
time gap to the vehicle traveling ahead. The high-  
1)  
In certain countries.  
155  
Driver assistance  
When the driver assistance display is open, the  
Additional functions  
message Overridden will appear.  
Applies to: vehicles with adaptive cruise assist  
Behavior when a turn signal is active (for  
1)2)  
merging)  
When you use the turn signal, for example when  
merging, then the system extends its area of  
control into the adjacent lane. When the function  
is active, the adaptive cruise assist will reduce the  
speed so that you can merge behind the next ve-  
hicle more easily ð  
.
Requirements: the system is activated and has  
detected that you are driving on a highway, the  
difference in speed compared to other vehicles is  
sufficiently small, and the distance between the  
vehicles is great enough. The vehicles are driving  
in traffic that is flowing consistently.  
Fig. 109 Lever: using adaptive cruise assist  
Requirement: all additional functions require  
adaptive cruise assist control to be active.  
Overriding control  
You can override control by the system complete-  
ly, for example if you would like to pass another  
vehicle or if you would like to accelerate faster.  
To activate the function, activate the turn sig-  
nal in the direction of the lane in which you  
would like to merge.  
To cancel the function after a short period of  
To accelerate manually, pull the lever toward  
time, turn off the turn signal. System control  
will be canceled immediately if you press the  
accelerator pedal.  
you in the direction of the arrow and hold it  
there, or press the accelerator pedal.  
To resume the usual cruise control, release the  
lever or remove your foot from the accelerator  
pedal.  
The system will continue to maintain distance to  
the vehicle traveling ahead in your own lane,  
within the limitations of the system.  
When the driver assistance display is open, the  
message Overridden will appear.  
WARNING  
Decreasing the distance  
Observe the safety precautions and note the  
limitations of the assist systems, sensors,  
and cameras ðpage 127 to ðpage 130.  
Resting your foot on the accelerator pedal  
could override the cruise control. Braking in-  
terventions and corrective actions by the  
system may not occur.  
You can temporarily decrease the distance even  
more, for example if you would like to merge into  
another lane because of lane closures. In this sit-  
uation, the adaptive cruise assist will accelerate  
above the set speed if necessary.  
To further reduce the distance temporarily to  
The functions only provide assistance. The  
driver is still responsible for controlling the  
vehicle when using these functions. The  
driver is especially responsible for changing  
lanes, applying the brakes, controlling the  
the vehicle traveling ahead, pull the lever to-  
ward you in the direction of the arrow and hold  
it in that position.  
To resume the system control, release the lev-  
er.  
1)  
This is not available in some countries.  
2)  
The function or equipment that is described was in devel-  
opment at the time this manual was published and may  
not be available in your vehicle.  
156  
Driver assistance  
To extend ready to drive status for a brief time  
or to reactivate it, pull the lever briefly toward  
you in the direction of the arrow ðpage 156,  
fig. 109.  
To resume control of the vehicle immediately,  
tap the accelerator pedal.  
speed, and maintaining the distance to oth-  
er vehicles.  
Driving in stop-and-go traffic  
Applies to: vehicles with adaptive cruise assist  
Safe start monitor  
The vehicle can still start to drive even if certain  
obstacles are detected when starting to drive  
ð
. If the surrounding area detection detects  
an obstacle, you will be alerted to the danger by  
the indicator light.  
If the driver assistance display is open, the  
view 1 ðfig. 110 and the message Warning!  
will also appear. An audio signal will sound as  
well. Your vehicle will drive more slowly when  
starting. This may also occur in some situations  
when there is no apparent obstacle.  
Applies to: driver assistance display without area view  
Fig. 110 Instrument cluster: safe start monitor  
Press the brake pedal to slow your vehicle if  
necessary.  
WARNING  
Applies to: driver assistance display with area view  
Fig. 111 Instrument cluster: safe start monitor  
Observe the safety precautions and note the  
limitations of the assist systems, sensors,  
and cameras ðpage 127 to ðpage 130.  
Stopping with adaptive cruise assist  
1)  
The adaptive cruise assist also assists you in stop-  
and-go traffic. Within the limitations of the sys-  
tem, your vehicle may brake and remain at a stop  
if a vehicle traveling ahead stops.  
As long as the ready to drive message is  
displayed, your vehicle will start driving  
even if there is an obstacle between your ve-  
hicle and the vehicle traveling ahead. To re-  
duce the risk of an accident, always make  
sure there are no obstacles between your ve-  
hicle and the vehicle traveling ahead.  
1)  
Starting to drive with adaptive cruise assist  
As long as the ready to drive message is dis-  
played, your vehicle will begin driving automati-  
cally when the vehicle traveling ahead starts to  
Tips  
move ð  
.
For safety reasons, adaptive cruise assist only  
starts driving actively if:  
The touching of the steering wheel will be evalu-  
ated in stop-and-go traffic. As long as at least  
one hand is detected on the steering wheel, the  
driver will be considered ready for driving and the  
ready to drive status can be extended.  
The driver’s safety belt is fastened.  
All doors and the hood are closed  
The vehicle has not been stationary for a  
long period of time.  
If your vehicle is stopped for too long, it will not  
begin driving again automatically for safety rea-  
sons and the message will turn off.  
1)  
This is not available in some countries.  
157  
Driver assistance  
If the malfunction remains, drive to an author-  
ized Audi dealer or authorized Audi Service Facili-  
ty immediately to have the malfunction correct-  
ed.  
Adjusting the adaptive cruise assist  
Applies to: vehicles with adaptive cruise assist  
You can adjust the adaptive cruise assist to your  
preferences in the Driver assistance menu  
ðpage 131. The settings depend on the vehicle  
equipment.  
The following messages may appear, depending  
on the vehicle equipment:  
Narrow area  
Possible settings:  
Depending on vehicle equipment, this message  
will appear in the driver assistance display if the  
adaptive cruise assist is adjusting the speed in a  
narrow area, for example in a construction zone.  
The display 1 will only appear in vehicles equip-  
ped with area view and if the tab has been se-  
lected in the instrument cluster.  
Lane guidance – If lane guidance is also active  
when adaptive cruise assist control is active, you  
can turn it on or off.  
Driving program – Depending on the driving pro-  
gram and the distance that are set, the vehicle  
handling will be adjusted from Sport to Comfort  
and the lane guidance haptic feedback will be ad-  
justed.  
Adaptive cruise assist: Please take over!  
Adaptive cruise assist was ended, for example be-  
cause the vehicle rolled backwards when starting  
on a slight incline even though the system was  
active. You must take over further control of the  
vehicle.  
Store last distance - The last distance that was  
set will be stored after the ignition is turned off.  
If the distance is not stored, distance (time  
distance of approximately 1.8 seconds) is auto-  
matically preset every time the ignition is turned  
on.  
Adaptive cruise assist: limited availability.  
See owner's manual  
Messages  
Applies to: vehicles with adaptive cruise assist  
This message appears when the sensor view is  
limited, for example, when weather conditions  
are too poor or a sensor is covered. You can turn  
on the adaptive cruise assist, but certain func-  
tions such as assistance in narrow areas will not  
be available. Under certain circumstances, some  
objects may be detected late or may not be de-  
tected at all. Be especially careful. Cleaning the  
area in front of the sensors ðpage 130 may cor-  
rect the malfunction.  
Applies to: driver assistance display with area view  
Fig. 112 Instrument cluster: narrow area  
If  
or  
is displayed when there is a malfunc-  
tion, the adaptive cruise assist functions or traffic  
jam assist* functions may be unavailable or limit-  
ed.  
A message that indicates the cause and possible  
solution may appear with some displays. The  
weather conditions may be too poor or a sensor  
may be obstructed. Clean the area in front of the  
sensors ðpage 130 and try to turn on the sys-  
tems again later.  
158  
Driver assistance  
View in the driver assistance display  
Distance warning  
Applies to: vehicles with adaptive cruise assist  
Description  
Applies to: vehicles with distance warning  
This view will only appear if you have selected the  
driver assistance display in the trip computer  
ðpage 19 or if you selected the tab.  
1
Driver assistance display without area view:  
vehicle traveling ahead detected  
2
Driver assistance display without area view:  
you can estimate the distance to an obstacle  
with the help of the markings. Each marking  
represents approximately one second.  
3
4
Driver assistance display without area view:  
set warning threshold. Depending on the set-  
tings, the display will be colored in from the  
bottom to the top.  
Applies to: vehicles with adaptive cruise assist and without  
area view  
Fig. 113 Instrument cluster: display of the current dis-  
tance  
The actual distance is smaller than the set  
distance and you will be informed about the  
danger.  
Adjusting the distance warning  
You can turn the distance warning on or off in the  
Driver assistance menu, or adjust it to your pref-  
erences ðpage 131. The settings depend on the  
vehicle equipment.  
Possible settings:  
Warning threshold  
Messages  
If or is displayed when there is a malfunc-  
tion, the distance warning functions may be un-  
available or may be limited.  
A message that indicates the cause and possible  
solution may appear with some displays. The  
weather conditions may be too poor or a sensor  
may be obstructed. Clean the area in front of the  
sensors ðpage 130 and try to turn the system on  
again later.  
Applies to: vehicles with adaptive cruise assist:  
Fig. 114 Instrument cluster: distance warning with or  
without area view  
General information  
At speeds above approximately 40 mph (65  
km/h), this function measures the distance to  
the vehicle traveling ahead as a time interval, as  
long as the adaptive cruise assist is not actively  
regulating. If the distance falls below the warn-  
ing threshold and remains there, the system will  
warn you of the hazard with the indicator  
light.  
If the malfunction remains, drive to an author-  
ized Audi dealer or authorized Audi Service Facili-  
ty immediately to have the malfunction correct-  
ed.  
WARNING  
Observe the safety precautions and note the  
limitations of the assist systems, sensors, and  
cameras ðpage 127 to ðpage 130.  
159  

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