2025-2026 Audi A5 4 Door Driver assistance -> Cruise control system User Manual
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Driver assistance -> Cruise control system for Your Audi A5 4 Door Third Generation (2025-2026)

Driver assistance  
Driver assistance  
WARNING  
Observe the safety precautions and note the  
limitations of the assist systems, sensors, and  
cameras ðpage 127 to ðpage 130.  
Cruise control system  
Description  
Applies to: vehicles with cruise control system  
The cruise control system assists you in main-  
taining a constant speed above approximately  
15 mph (20 km/h). The system maintains the de-  
sired speed by braking and accelerating.  
Turning on the system  
Applies to: vehicles with cruise control system  
WARNING  
Observe the safety precautions and note the  
limitations of the assist systems, sensors,  
and cameras ðpage 127 to ðpage 130.  
The cruise control system is only an assist  
system, and the driver is still responsible for  
operating the vehicle. The driver is especial-  
ly responsible for braking, controlling the  
speed, and maintaining the distance to oth-  
er vehicles.  
Fig. 108 Lever: turning on the system  
Requirement: the ignition must be turned on.  
To turn on the system, pull the lever toward  
Turn off the cruise control temporarily when  
driving in turning lanes, highway exits, or in  
construction zones. This prevents the vehi-  
cle from accelerating to the stored speed  
when in these situations.  
you to position 2 .  
WARNING  
Observe the safety precautions and note the  
limitations of the assist systems, sensors,  
and cameras ðpage 127 to ðpage 130.  
If the brakes are malfunctioning (for exam-  
ple, overheating) while the cruise control  
system is turned on, the regulating func-  
tions may shut off automatically.  
Note  
Before driving downhill a long distance on a  
steep hill, decrease your speed and select a  
lower gear. This makes use of the engine  
braking effect and reduces the load placed on  
the brakes.  
Preselecting or activating a cruise control  
speed  
Display overview  
Applies to: vehicles with cruise control system  
Applies to: vehicles with cruise control system  
When the vehicle is stationary, you can preselect  
the speed to be maintained, or you can select the  
speed while driving.  
Indicator lights and messages in the speedome-  
ter inform you about the driving situation and  
the settings. The displays depend on the country  
and equipment.  
Requirement: the system must be turned on.  
Indicator lights  
To preselect a cruise control speed when the ve-  
hicle is stationary, tap the lever toward + / -  
ðpage 140, fig. 108.  
To activate the cruise control speed, pull the  
 / - the cruise control system is turned  
on and actively controls the set speed.  
An additional indicator will appear in the head-up  
display*.  
lever toward position 2 while driving.  
140  
Driver assistance  
To set the current driving speed as the cruise  
control speed, press the button 1 on the lever.  
terventions and corrective actions by the sys-  
tem may not occur.  
Changing the cruise control speed  
Applies to: vehicles with cruise control system  
Turning off the system  
Applies to: vehicles with cruise control system  
Requirement: the system must be turned on.  
If you do not want to use the cruise control sys-  
tem for a longer period of time, you can turn it  
off.  
To increase or decrease the cruise control speed  
in small increments, tap the lever up to the  
first level toward + / - ðpage 140, fig. 108.  
To increase or decrease the cruise control speed  
in larger increments, tap the lever up to the  
To turn off the system, press the lever toward  
3 (locked into place) ðpage 140, fig. 108.  
The indicator light will turn off and the set speed  
will be cleared.  
second level toward + / - .  
To increase or decrease the cruise control speed  
continuously, tap and hold the lever at the first  
or second level toward + / - .  
Messages  
Applies to: vehicles with cruise control system  
Overriding or deactivating the cruise  
control speed  
If  or is displayed when there is a mal-  
function, the cruise control system functions may  
be unavailable or limited.  
Applies to: vehicles with cruise control system  
You can override or deactivate the cruise control  
system. When you deactivate the system, your  
cruise control speed will be stored and you can  
resume that speed.  
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 129 and try to turn the system on  
again later.  
Requirement: the system must be turned on and  
the set cruise control speed must be activated.  
If the malfunction remains, drive to an author-  
ized Audi dealer or authorized Audi Service Facili-  
ty immediately to have the malfunction correct-  
ed.  
Overriding  
To temporarily override the set cruise control  
speed, press the accelerator pedal.  
To resume the stored regulated speed, remove  
your foot from the accelerator pedal.  
Efficiency assist  
If you override the cruise control system for a  
long period of time, the cruise control system  
will be deactivated.  
Description  
Applies to: vehicles with efficiency assist  
Efficiency assist can assist with predictive infor-  
mation in order to reduce fuel consumption. De-  
pending on vehicle equipment, the system may  
access data from the navigation system, the cam-  
era behind the windshield, and the radar sensors.  
Deactivating  
To deactivate the cruise control speed, press  
the lever to position 3 (not locked into place)  
ðpage 140, fig. 108, or  
Press the brake pedal.  
Adjusting the efficiency assist  
WARNING  
You can adjust efficiency assist functions individ-  
ually. The settings depend on the vehicle equip-  
ment.  
Resting your foot on the accelerator pedal  
could override the cruise control. Braking in-  
Predictive messages ðpage 142.  
141  

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