Lamps; Taillamps, Turn Signal; Stoplamps, And Back-Up - GMC SIERRA 2020 Owner's Manual

368 Vehicle Care

Taillamps, Turn Signal,

Stoplamps, and Back-Up

Lamps

Base Level Taillamp Assembly
1. Stoplamp/Turn Signal Lamp
2. Back-Up Lamp
Uplevel Taillamp Assembly
See your dealer for taillamp
replacement.
It is recommended to replace the
grommets when replacing a bulb.
See your dealer.
To replace one of these bulbs:
1. Open the tailgate.
2. Remove the two rear lamp
assembly screws.
4. Pull the rear lamp assembly
outward and rearward away
from the box side to remove it
from the vehicle.
5. Turn the bulb socket
counterclockwise.
6. Pull the bulb straight out from
the socket.
7. Replace the bulb and reverse
Steps 1 5 to reinstall.