Retrieve My Number
1. Push 
. System responds:
“OnStar ready.”.
2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.”
See also:
Key and Lock Messages
NO REMOTE DETECTED
This message displays when the
transmitter battery is weak on
vehicles with keyless access. See
“Starting the Vehicle with a Low
Transmitter Battery” under Remote
Key ...
Compass
Compass Operation
There is a compass display in the upper right corner of
the mirror.
Compass Calibration
Press and hold to activate the
compass calibration
mode. CAL displays in the compass ...
When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil
and filter. This is based on a combination of factors which include engine revolutions,
engine temperature, and mile ...