GMC Terrain: When the System Does Not Seem to Work Properly - Ultrasonic Parking Assist - Object Detection Systems - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: When the System Does Not Seem to Work Properly

The following messages may be displayed on the DIC:

SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer to repair the system.

PARK ASSIST OFF: If the URPA system does not activate due to a temporary condition, the message displays on the DIC. This can occur under the following conditions:

○ The driver has disabled the system.
○ The ultrasonic sensors are not clean. Keep the vehicle's rear bumper free of mud, dirt, snow, ice, and slush. For cleaning instructions, see Exterior Care on page 10‑83.
○ The park assist sensors are covered by frost or ice. Frost or ice can form around and behind the sensors and may not always be seen; this can occur after washing the vehicle in cold weather. The message may not clear until the frost or ice has melted.
○ A trailer was attached to the vehicle, or an object was hanging out of the liftgate during the last drive cycle. Once the object is removed, URPA will return to normal operation. . A tow bar is attached to the vehicle.
○ The bumper is damaged. Take the vehicle to your dealer to repair the system.
○ Other conditions, such as vibrations from a jackhammer or the compression of air brakes on a very large truck, are affecting system performance.

    Turning the System On and Off
    The URPA system can be turned on and off using the infotainment system controls. See Vehicle Personalization on page 5‑33 for more information. When the system is off, PARK ASSIST OFF display ...

    Rear Vision Camera (RVC)
    The vehicle may have a Rear Vision Camera (RVC) system. Read this entire section before using it. The RVC can assist the driver when backing up by displaying a view of the area behind the vehicle ...

    See also:

    Hill start assist system (MT models)
    The Hill start assist system is a device only for helping the driver to START the vehicle on an uphill grade. To prevent accidents when the vehicle is parked on a slope, be sure to firml ...

    Callback
    1. Select the “CALL BACK” menu. 2. Press the OFF hook switch . 3. Select the desired number by turning the “TUNE/TRACK/CH” dial. 4. Perform either of the following procedures. – Press ...

    Obstacle Detection Features
    If the liftgate encounters an obstacle during a power open or close cycle, a warning chime will sound and the liftgate will automatically reverse direction to the full closed or open position. Aft ...