Volvo XC90: Maintenance and service / Replacing front turn signal bulbs
The turn signal 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.

Left headlight.
- Press the retaining catches together and pull the bulb holder straight out.
- The bulb holder and bulb must be replaced as one unit.
- Position the bulb holder in the socket and push it into place.
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...
Specifications for replaceable light bulbs. If you are experiencing problems
with any lights other than light bulbs, contact a workshop1. If there
is a problem with an LED2 light, the entire lamp unit will normally need
to be replaced...
Other information:
(Option/accessory.)
There is a function button for assistance on steep gradients with Hill
Descent Control in the center display's Function view if the vehicle is not
equipped with a drive mode control in the tunnel console.
Selecting Hill Descent Control in the center display's Function view
HDC only works at low speeds...
The Driver Alert Control (DAC) function is designed to help alert the driver
to erratic behavior, e.g. if the driver is distracted or showing signs of fatigue.
The objective of the function is to detect slowly deteriorating driving behavior
and is primarily intended to be used on major roads...