2012-2019 Volvo V40 4 Door DRIVER SUPPORT -> Collision warning system* - operation User Manual
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DRIVER SUPPORT -> Collision warning system* - operation for Your Volvo V40 4 Door Second Generation (2012-2019)

DRIVER SUPPORT  
In order for a pedestrian to be detected  
he/she must appear full-length and have a  
height of at least 80 cm.  
Collision warning system* -  
NOTE  
operation  
The Brake Support and Auto Brake functions  
are always activated - they cannot be deacti-  
vated.  
Settings for the collision warning system are  
made from MY CAR via the centre console  
screen and menu system, see MY CAR (p. 113).  
The camera sensor's ability to see pedes-  
trians at dusk and dawn is limited - just like  
the human eye.  
Settings for the collision warning system are  
made via the centre console's screen and the  
menu system MY CAR, see (p. 113).  
The camera sensor's capacity to detect  
pedestrians is deactivated when driving in  
darkness and tunnels - even when street-  
lights are lit.  
Warning signals On and Off  
Light and acoustic signals  
When the collision warning system's light and  
acoustic warnings are activated, the warning lamp  
(no. [1] in previous illustration) is tested each  
time the engine is started by briefly illuminating  
the warning lamp's separate points of light.  
WARNING  
"Collision Warning with Auto Brake and  
Cyclist and Pedestrian Detection" is a means  
of assistance. The function cannot detect all  
pedestrians in all situations and does not see,  
for example:  
After starting the engine, both light and acoustic  
signals are switched off:  
partially obscured pedestrians, people in  
clothing that hides their body contour or  
pedestrians shorter than 80 cm.  
Search for Collision warning in Driver  
support system in the menu system MY  
CAR (p. 113) - and there select to uncheck  
the function.  
1. Acoustic and visual warning signal in the event of a  
collision risk23  
.
pedestrians who are carrying larger  
objects.  
It is possible to select whether the collision warn-  
ing system's acoustic and visual warning signals  
should be switched on or off.  
Audible signal  
After starting the engine the warning sound can  
be activated/deactivated separately:  
The driver is always responsible that the vehi-  
cle is driven properly and with a safety dis-  
tance adapted to the speed.  
When starting the engine, the setting that was  
selected when the engine was switched off is  
obtained automatically.  
Search for Warning sound in Collision  
warning in the menu system MY CAR  
(p. 113) - and there select On or Off.  
Related information  
Collision warning system* (p. 227)  
Following which, the collision warning system is  
only indicated with a light signal.  
23  
The illustration is schematic - car model and details may differ.  
}}  
* Option/accessory. 231  
DRIVER SUPPORT  
||  
Set warning distance  
Maintenance  
NOTE  
The warning distance regulates the distance at  
which the visual and acoustic warnings are  
deployed.  
Even if the warning distance has been set to  
Long warnings could be perceived as being  
late in certain situations, e.g. when there are  
large differences in speed or if vehicles in  
front brake heavily.  
Search for Warning distance in Collision  
warning in the menu system MY CAR  
(p. 113) - and there select Long, Normal or  
Short.  
WARNING  
The warning distance determines the system's  
sensitivity. Warning distance Long provides an  
earlier warning. First test with Long and if this  
setting produces too many warnings, which could  
be perceived as irritating in certain situations,  
then change to warning distance Normal.  
No automatic system can guarantee 100 %  
correct function in all situations. Therefore,  
never test Collision Warning with Auto Brake  
by driving at people or vehicles - this may  
cause severe damage and injury and risk lives.  
Camera and radar sensor24  
.
For the sensors to work correctly, they must be  
kept clear of dirt, ice and snow, and be cleaned  
regularly with water and car shampoo.  
Only use warning distance Short in exceptional  
cases, e.g. for dynamic driving.  
Checking settings  
The settings required can be controlled on the  
centre console display screen.  
NOTE  
NOTE  
Search in the menu system MY CAR (p. 113)  
for Collision warning in Driver support  
system.  
When the adaptive cruise control is in use the  
warning lamp and warning sound will be used  
by the cruise control even if the collision  
warning system is switched off.  
Dirt, ice and snow covering the sensors will  
reduce their function and may prevent meas-  
urement.  
The collision warning system warns the driver  
in the event of a risk of a collision, but the  
function cannot shorten driver reaction time.  
Related information  
Collision warning system* (p. 227)  
In order for the collision warning system to be  
effective, always drive with Distance Alert  
(p. 197) set at time interval 4–5.  
24  
NOTE: The illustration is schematic - details may vary depending on car model.  
232  
* Option/accessory.  

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