Black plate (40,1)
GMC Sierra Owner Manual - 2011
10-40
Vehicle Care
9. Make sure that the light from the
headlamp is positioned at the
bottom edge of the horizontal
tape line. The lamp on the
left (A) shows the correct
headlamp aim. The lamp on the
right (B) shows the incorrect
headlamp aim.
10. Repeat Steps 7 through 9 for
the opposite headlamp.
Bulb Replacement
For the proper type of replacement
bulbs, see
Replacement Bulbs on
page 10
‑
44
.
For any bulb
‐
changing procedure
not listed in this section, contact
your dealer.
Halogen Bulbs
{
WARNING
Halogen bulbs have pressurized
gas inside and can burst if you
drop or scratch the bulb. You or
others could be injured. Be sure
to read and follow the instructions
on the bulb package.
Headlamps (Sierra)
To replace one of these bulbs:
1. Open the hood. See
Hood on
page 10
‑
5
2. If you are replacing the bulb on
the passenger side, remove the
Engine Air Cleaner cover. See
Engine Air Cleaner/Filter on
page 10
‑
16
for more information.
3. Reach in and access the bulb
sockets from inside the engine
compartment.
