Headlamp Aiming; Front Headlamp Aiming; Bulb Replacement; Halogen Bulbs - GMC Sierra 2500 HD 2023 Owner's Manual

Liftgate

Headlamp Aiming

Front Headlamp Aiming

Headlamp aim has been preset and should
need no further adjustment.
If the vehicle is damaged in a crash, the
headlamp aim may be affected.
If adjustment to the headlamps is necessary,
see your dealer.

Bulb Replacement

For the proper type of replacement bulbs,
or any bulb changing procedure not listed in
this section, contact your dealer.
Caution
Do not replace incandescent bulbs with
aftermarket LED replacement bulbs. This
can cause damage to the vehicle electrical
system.

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.

LED Lighting

This vehicle has several LED lamps. For
replacement of any LED lighting assembly,
contact your dealer.
Vehicle Care
Headlamps, Front Turn Signal,
Sidemarker, and Parking Lamps
Base Level Headlamp Assembly
1. Turn Signal Lamps
Headlamp Replacement
See your dealer for headlamp replacement.
Turn Signal Lamp Replacement
Base Level
1. Open the hood.
2. Turn the bulb socket counterclockwise to
remove it from the headlamp assembly
and pull it straight out.
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