TTY Users

OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.

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    Services Specific to Canadian-Purchased Vehicles
    • Fuel delivery: Reimbursement is approximately $5 Canadian. Diesel fuel delivery may be restricted. Propane and other fuels are not provided through this service. • Lock-Out Service: Ve ...

    Express Window Operation
    Windows with an express-up or down feature allow the front windows to be lowered or raised without holding the switch. Rear windows only have express-down. Pull a window switch up or push it down ...

    Engine Overheating
    You will find a coolant temperature gage on your vehicle’s instrument panel. If your vehicle has a Driver Information Center (DIC), the display will show an Engine Coolant Hot/Engine Overheated ...