Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp

GMC Sierra / GMC Sierra Owners Manuals / Vehicle Care / Bulb Replacement / 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.

1. Remove the two screws and lift off the lamp assembly.

B. Center High-Mounted Stoplamp (CHMSL) Bulb 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:

    Safety
    Standard safety features include: Side curtain airbags with rollover sensor Four-wheel-disc antilock brakes Electronic stability system with roll-mitigation technology Rear parking sensors Backu ...

    Parking on Hills
    WARNING Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the trailer ca ...

    Hydraulic Power Steering
    Your vehicle has hydraulic power steering. It may require maintenance. See Power Steering Fluid on page 10‑21. If power steering assist is lost due to a system malfunction, the vehicle can be s ...