Headlamp Aiming; Bulb Replacement; Halogen Bulbs; Led Lighting - GMC 2015 Sierra Denali Owner's Manual

10-36 Vehicle Care

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, see Replacement Bulbs on
page 10-40.
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.

LED Lighting

This vehicle has several LED lamps.
For replacement of any LED lighting
assembly, contact your dealer.

Headlamps, Front Turn

Signal, Sidemarker, and
Parking Lamps
Driver Side
1. Front Turn Signal/
Sidemarker/Parking Lamp
2. High/Low-Beam Headlamp
See your dealer for passenger side
replacement.
Headlamp
1. Open the hood.