See also:

Pick-Up Box Identification and Fender Marker Lamps
The pick-up box identification lamps are LEDs. For replacement of the LED lighting assembly contact your dealer. To replace a pickup box fender marker lamp bulb: 1. Press the tab from the back to re ...

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 ...

New for 2010
GM has dropped the long-running 6.0-liter V-8 engine from the Sierra lineup, leaving the powerful 6.2-liter V-8 for heavy towing needs. The rest of the Sierra's eight-cylinder lineup benefits from ...