2013 Chevrolet Express 1500 Cargo Owner Manual - Page 228

9-38 Driving and Operating Other conditions may affect system performance, such as vibrations from a jackhammer or the compression of air brakes on a very large truck. PARK ASSIST OFF: This message occurs if the driver disables the system or if the vehicle is driven above 8 km/h (5 mph) in R (Reverse). PARK ASST BLOCKED SEE OWNERS MANUAL: This message can occur under the following conditions: . WARNING (CONTINUED) or where there could be cross traffic. Failure to use proper care before backing may result in injury, death, or vehicle damage. Always check behind and around the vehicle before backing. Rear Vision Camera (RVC) If available, the Rear Vision Camera (RVC) system displays part of the scene behind the vehicle. The ultrasonic sensors are not clean. Keep the rear bumper free of mud, dirt, snow, ice, slush, and frost. The message may not clear until frost or ice has melted all around and inside the sensor. A trailer is attached to the vehicle, or a bicycle or an object hanging out of the rear door during the current or last drive cycle. URPA will return to normal operation after it is determined the object is removed. This could take a few drive cycles. A tow bar is attached to the vehicle. Vehicles without Navigation System The RVC system displays a view of the area behind the vehicle. When the vehicle is on and shifted into R (Reverse) the video image appears on the inside rearview mirror. The video image disappears after the vehicle is shifted out of R (Reverse). { WARNING The RVC system does not display children, pedestrians, bicyclists, animals, or any other object located outside the camera's field of view, below the bumper, or under the vehicle. Perceived distances may be different from actual distances. Do not back the vehicle using only the RVC screen, during longer, higher speed backing maneuvers, (Continued) . Vehicles with Navigation System The RVC system is designed to help the driver when backing up by displaying a view of the area behind the vehicle. When the vehicle is .