See also:

What to Use
WARNING: Adding only plain water to the cooling system can be dangerous. Plain water, or some other liquid such as alcohol, can boil before the proper coolant mixture will. The vehicle’s cool ...

Programmable Unlocking Feature
The following is the list of available programming options: Mode 1: Driver’s door unlocks when the transmission is shifted into PARK (P). Mode 2: All doors unlock when the transmission is shi ...

OnStar® Services
For new vehicles equipped with OnStar®, the Safe & Sound Plan, or the Directions & Connections® Plan is included for one year from the date of purchase. You can extend this plan beyond th ...