See also:

Securing a Child Restraint in the Center Rear Seat Position
Many child restraints are too wide to be correctly secured in the center rear seat, although some of them will fit there. If the center seat position is too narrow for your child restraint, secure ...

Storing and Deleting Phone Numbers
The system can store up to 30 phone numbers as name tags in the Hands-Free Directory that is shared between the Bluetooth and OnStar systems. The following commands are used to delete and s ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...