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.)
(Depending on market, this function can be either standard or optional.)
Pilot Assist functionality may be reduced in certain situations.
Pilot Assist is a driver support function designed to simplify driving and assist
the driver in many situations...
Option/accessory.
When the integrated booster cushion is used, it must be folded up.
Pull the handle forward and upward
to release the booster cushion.
Press the booster cushion rearward
to lock it into position.
WARNING
DEATH or SERIOUS INJURY can occur
Follow all instructions on this child restraint and in the vehicle's
owner's manual...