Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp
To replace one of these bulbs:

1. Remove the two screws and lift off the lamp assembly.
A. Cargo Lamp
B. Center High-Mounted Stoplamp (CHMSL) Bulb
2. On the reverse side of the lamp assembly, remove the bulb socket by turning it one quarter turn counterclockwise and pull it straight out.
3. Remove the bulb by pulling it straight out of the socket.
4. Install the bulb by pushing the bulb straight into the socket.
5. Install the bulb socket into the lamp asembly by turning it one quarter turn clockwise.
6. Reinstall the lamp assembly and tighten the screws.
See also:
Roadside Assistance Program
U.S.: 1-888-881-3302
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0801
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program.
...
What to Use
To determine what kind of fluid to use, see Recommended Fluids and Lubricants on page 11‑12. Always use the proper fluid.
Notice: Use of the incorrect fluid may damage the vehicle and the damag ...
Power Seats
Power Seats
A. Seat Adjustment Control
B. Seatback Control
C. Lumbar Control
To adjust a power seat, if equipped:
• Move the seat forward or rearward by sliding the control (A) forward or r ...





