2012 Chevrolet Avalanche Owner's Manual - Page 301
2012 Chevrolet Avalanche Manual
Page 301 highlights
Driving and Operating WARNING (Continued) To prevent injury, death, or vehicle damage, even with URPA, always check the area around the vehicle and check all mirrors before backing. must also be within 2.5 m (8 ft) from the rear bumper. This distance may be less during warmer or humid weather. 9-51 Turning the System On and Off The URPA system can be turned on and off using the rear park aid disable button located next to the radio. Notice: If you use URPA while the tailgate is lowered, it may not detect an object behind your vehicle, and you might back into the object and damage your vehicle. Always verify the tailgate is closed when using URPA or turn off URPA when driving with the tailgate lowered. How the System Works URPA comes on automatically when the shift lever is moved into R (Reverse). A single tone sounds to indicate the system is working. URPA operates only at speeds less than 8 km/h (5 mph). An obstacle is indicated by audible beeps. The interval between the beeps becomes shorter as the vehicle gets closer to the obstacle. When the distance is less than 30 cm (12 in) the beeping is a continuous tone for five seconds. To be detected, objects must be at least 25 cm (10 in) off the ground and below tailgate level. Objects When the System Does Not Seem to Work Properly The following messages may be displayed on the DIC: SERVICE PARK ASSIST: If this message occurs, take the vehicle to your dealer to repair the system. PARK ASST BLOCKED SEE OWNERS MANUAL: This message can occur under the following conditions: . The indicator light comes on when the system is disabled and turns off when the system is on. When the system is off, PARK ASSIST OFF displays on the Driver Information Center (DIC). The message disappears after a short period of time. URPA defaults to the on setting each time the vehicle is started. 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 10‑89.