OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To change the OnStar PIN, call OnStar and provide the Advisor with the current number.
See also:
Windows
Turn the hand crank on each door to manually raise or lower the manual windows. ...
Removal and Installation of the Sealant Canister
To remove the sealant canister:
1. Unwrap the sealant hose.
2. Press the canister release button.
3. Pull up and remove the canister.
4. Replace with a new canister which is available from your de ...
Vehicle Overview
The GMC Sierra 1500 and Chevrolet Silverado share the same platform, but the
GMC product is often positioned as a more upscale offering. Mechanically, the
trucks are the same. There might be sligh ...





