When the System Does Not Seem to Work Properly

If the URPA system will not activate due to a temporary condition, the message PARK ASSIST OFF will be displayed on the DIC and a red light will be shown on the rear URPA display when the shift lever is moved into R (Reverse). This occurs under the following conditions:

• The driver disables 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 Washing Your Vehicle.

• A trailer was attached to the vehicle, or a bicycle or an object was hanging out of the trunk during the last drive cycle, the red light may illuminate in the rear display. Once the attached object is removed, URPA will return to normal operation.

• A tow bar is attached to the vehicle.

• The vehicle’s bumper is damaged. Take the vehicle to your dealer/retailer to repair the system.

• Other conditions may affect system performance, such as vibrations from a jackhammer or the compression of air brakes on a very large truck.

If the system is still disabled after driving forward at least 25 km/h (15 mph), take the vehicle to your dealer/retailer.

    See also:

    Shocks and Struts
    Shocks and struts help aid in control for a smoother ride. • Signs of wear may include steering wheel vibration, bounce/sway while braking, longer stopping distance, or uneven tire wear. â ...

    OnStar®
    If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data colle ...

    Other Information
    The Bluetooth® word mark and logos are owned by the Bluetooth® SIG, Inc. and any use of such marks by General Motors is under license. Other trademarks and trade names are those of their re ...