Volvo XC90: Maintenance and service / Removing the rectangular headlight cover
Most of the bulbs in the headlight housing can be accessed when the rectangular
cover is removed.
Before the rectangular cover can be removed, the plastic covering over the headlight
must be removed.

Left headlight.
- Undo the four screws of the cover using a Torx tool, dimension T20 (1).
Do not undo these completely; 3–4 turns is enough.
Push the cover to the side.
- Remove the cover.
Put the cover back in place in the reverse order.
The headlight bulbs can be replaced without the assistance of a workshop,
but before a bulb can be replaced, the plastic cover over the headlight needs to
be removed...
The vehicle's exterior lighting consists of several different bulbs. LED1
bulbs must be replaced by a workshop. An authorized Volvo workshop is recommended...
Other information:
(Option/accessory)
The Road Sign Information (RSI1) function is optional – the driver
can choose to have the function activated or deactivated.
Activate or deactivate the function
using this button in the center display's Function view.
Illuminated button indicator light – the function is activated...
When connecting a trailer, make sure that all of the lights on the trailer
are functioning before starting to drive.
Trailer turn signals and brake lights
If one or more of the turn signals or brake lights on the trailer is not working,
a symbol and message will be displayed in the instrument panel...