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 changed, OnStar
may send a voice message to the
vehicle, requesting updated account
information.
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 ...
Wiper Blades
Wiper blades need to be cleaned
and kept in good condition to
provide a clear view.
• Signs of wear include streaking,
skipping across the windshield,
and worn or split rubber.
• Trained ...
Setting the Month and Day Format
1. Press the CONFIG button and
select Time and Date Settings,
or press .
2. Highlight Set Date Format.
3. Press SELECT to select MM/DD/YY (month/day/year) or DD/MM/YY (day/month/year). ...