OnStar Services
See also:
OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that
can be used to interact with OnStar® Hands-Free
Calling.
On some vehicles, you may have to hold the
button for a few seconds and give the command
†...
Lockout Protection
If the key is in the ignition and the power door lock switch
is used to lock the doors, all doors will lock and then the
driver door will unlock. It is always recommended that
the ignition key i ...
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system migh ...
