OnStar Services
See also:
Customer Assistance Offices (Mexico)
To contact the Customer Assistance
Center (CAC), use the phone
numbers listed in this section.
Customer assistance is available
Monday through Friday, 08:00 to
20:00 hours, and Saturdays from ...
Power Door Locks
The power door lock
switches are located on
the driver’s and front
passenger’s door
armrests.
Press the lock symbol to lock all of the doors.
To unlock the doors, press the other side of ...
When the Change Engine Oil Soon
Message Displays
Change engine oil and filter. See Engine Oil. An Emission Control Service.
When the Change Engine Oil Soon message displays,
service is required for the vehicle as soon as possible,
within the ne ...
