Volvo XC40 2021 Owner's Manual page 157

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.
Related information
Emergency brake lights (p. 155)
•
Brake functions (p. 374)
•
Replacing the brake light bulb (p. 587)
•
Driver support systems (p. 254)
•
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.
Related information
Brake lights (p. 155)
•
Brakes (p. 375)
•
Hazard warning flashers (p. 155)
•
Hazard warning flashers
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.
Hazard warning flashers button.
Press the button to activate the hazard warn-
ing flashers.
NOTE
Regulations concerning the use of hazard
warning flashers may vary from country to
country.
Related information
Emergency brake lights (p. 155)
•
Using turn signals (p. 152)
•
LIGHTING
155