Volvo XC90: Lighting / Brake lights. Emergency brake lights
The brake lights are automatically illuminated when braking.
The brake lights are illuminated when the brake pedal is depressed and when the
brakes are automatically applied by a driver support system.
Emergency brake lights
The emergency brake lights are activated to warn following vehicles of hard
braking.
This function causes an additional taillight on each side of the vehicle to
illuminate.
The emergency brake lights are activated in the event of hard braking or if the
ABS system is activated and the vehicle is traveling at a high speed.
After the driver decelerates to a low speed and then releases the brake, the
brake lights resume their normal brightness.
The rear fog light is considerably brighter than ordinary taillights and should
only be used to help other road users see the vehicle when visibility is reduced
by conditions such as fog, snow, smoke or dust...
Hazard warning flashers warn other road users by all of the vehicle's turn
signals being activated at the same time. The function can be used to warn about
a traffic hazard...
Other information:
The function may have limited functionality in certain situations and not
intervene, e.g.:
for smaller vehicles such as motorcycles
if more than half of your vehicle has moved into the adjacent lane
on roads/lanes with indistinct or no side lane markings
outside the speed range 60-140 km/h (37-87 mph)
when speed-dependent power steering wheel resistance is working at reduced
power – e...
The camera and radar sensor used by several of the driver support functions
has certain limitations, which also affect the functions using the camera and radar
sensor. The driver should be aware of the following limitations:
Common camera and radar limitations
Obstructed camera
The area marked in the illustration must be cleaned regularly
and kept free of decals, objects, solar film, etc...