Spot lamps

Insert a straight blade (or minus) screwdriver into the notch of the lamp assembly and pry gently to remove the lens.
Remove the bulb from the lamp holder.
NOTE
Wrap a piece of cloth around the straight blade (or minus) screwdriver in order to avoid scratching the lens.

See also:
Window glass
The window glass can normally be cleaned using only a sponge and water.
Glass cleaner can be used to remove oil, grease, dead insects, etc. After washing
the glass, wipe dry with a clean, dry, soft ...
Headlamps
Unhook the spring which secures the bulb, and then remove the bulb.
CAUTION
Never hold the halogen lamp bulb with a bare hand, dirty glove, etc. The
oil from your hand could cause the bulb to ...
Tyres and wheels
...
