GMC Terrain: Unable to Connect to OnStar Message - Services for People with Disabilities - OnStar Additional Information - OnStar - GMC Terrain Owner's ManualGMC Terrain: Unable to Connect to OnStar Message

If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push Q to try the call again or try again after driving a few miles into another cellular area. Vehicle and Power Issues OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

    Cellular and GPS Antennas
    Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

    Add-on Electrical Equipment
    The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9‑64. Added electrical equipment ...

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    Wiper Blades
    Wiper Blades If the wiper blades become brittle or damaged, or make streaks when wiping, replace the wiper blades. To install new wiper blades, follow the procedures below. CAUTION: To avoid scra ...

    Wheels
    If a wheel is bent, cracked or heavily corroded, it should be replaced. Otherwise, the tire may separate from the wheel or cause loss of handling control. ■ Wheel selection When replacing w ...

    Windshield Washers
    Check the fluid level in the windshield washer reservoir at least monthly during normal use. Check the fluid level by removing the cap and looking at the level gauge. On Canadian models: T ...