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:
The daytime running light/parking light bulbs in the halogen headlights can
be changed without the help of a workshop.
Before the bulbs can be replaced, the plastic covering over the headlight must
be removed.
Before the lamp can be replaced, the rectangular headlight cover must be removed...
The following information contains type designations for the start and lock
system.
Alarm system
USA FCC ID: MAYDA 5823(3)
This device complies with part 15 of the FCC rules. Operation is subject to the
following conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation...