Electrical System
See also:
Maintenance I
• Change engine oil and filter. See Engine Oil. An Emission Control Service.
• Engine coolant level check. See Engine Coolant
(4.6L Engine) or Engine Coolant
(3.9L Engine).
• Windshield wa ...
Automatic Transmission Shift Lock Control Function Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room arou ...
Transferring Service
Push to request account transfer
eligibility information. The Advisor
can assist in canceling or removing
account information. If OnStar
receives information that vehicle
ownership has chan ...
