Headlamp Aiming; Front Headlamp Aiming; Bulb Replacement; Halogen Bulbs - GMC Sierra Denali 1500 2023 Owner's Manual

Hood
Trunk
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.
Vehicle Care

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.
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