Volvo XC90: Lighting / 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 warning flashers.
NOTE
Regulations concerning the use of hazard warning flashers may vary from
country to country.
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...
Some of the exterior lights remain on to illuminate the area around the vehicle.
This is called home safe lighting.
To activate home safe lighting:
Switch off the ignition...
Other information:
(Option/accessory.
Park Assist Pilot (PAP1) may not be able to detect all conditions
in all situations and functionality may therefore be limited.
The driver should be aware of the following limitations for Park Assist Pilot.
WARNING
The parking sensors have dead/blind spots where objects cannot be
detected...
The steering wheel has a horn and controls for e.g. driver support systems
and voice control.
Steering wheel keypads and paddles*.
Driver support system controls.1
Paddle* for manually shifting gears
(automatic transmission).
Controls for voice commands, adjusting
the head-up display, accessing menus and messages, and handling phone calls...