See also:

Airbag System Check
The airbag system does not need regularly scheduled maintenance or replacement. Make sure the airbag readiness light is working. See Airbag Readiness Light on page 5‑16 for more information. N ...

Introduction
The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, GMC, the GMC Truck Emblem, and SIERRA are ...

Stop/Tail/Turn Signal/ Sidemarker Lamp
To replace one of these lamps: 1. Open the liftgate. See Liftgate on page 2‑9. 2. Remove the two screw covers from the taillamp assembly. 3. Remove the two screws securing the taillamp asse ...