You can access the low beam headlight bulb from the engine compartment. Push the bulb holder in and turn. The bulb will come out.
I think you have to remove the front bumper to get full control to the bulb.
you take out the old bulb and put a new one in. hope this helps.
9005 or 9006
How do I change the low beam bulb in a gmc sierra 2005?
2008 Volvo S60 headlight bulb lamp replacement: Purchase the correct replacement headlight bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the headlight bulb lamp replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
Change the whole headlamp bulb. Should be a H4.
shutup
by changing it
These are H7 bulbs.
Pull the complete headlight assembly out to get to the bulb.
change the light bulb that does not go on, on low beam, it possible that the wire inside the bulb for low beam is broken