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:
Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these si ...
Securing Child Restraints (Right Front Passenger Seat)
The vehicle has airbags. A rear seat is a safer place to secure a forward-facing child restraint.
See Where to Put the Restraint on page 3‑44.
In addition, the vehicle has a passenger sensing ...
Manual Operation
(Fan Control): Press these buttons to increase or decrease the fan speed.
Pressing either fan button while in automatic control places the fan under manual control. The fan setting remains displayed ...