Service and Maintenance

See also:

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, ...

Tow/Haul Mode Light
This light comes on when the Tow/Haul mode has been activated. For more information, see Tow/Haul Mode on page 9‑26. ...

Flash-to-Pass
This feature is used to signal to the vehicle ahead that you want to pass. If the headlamps are off or in the low-beam position, pull the turn signal lever toward you to momentarily switch to high be ...