Verify Minutes and Expiration
Push 
and say “minutes” then “verify” to check how many minutes remain and their expiration date.
See also:
Immobilizer Operation
This vehicle has PASS-Key® III+ (Personalized Automotive Security System) theft-deterrent system.
PASS-Key III+ is a passive theft-deterrent system.
The system is automatically armed when the key i ...
Adjusting the Speakers (Balance/Fade) (All Except AM-FM Radio and Radio with
CD)
BAL/FADE (Balance/Fade): To adjust the balance or fade:
1. Press the knob until the speaker control tabs display.
2. Highlight the desired speaker control tab by doing one of the following:
• Pr ...
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,
...