2012 Chevrolet Avalanche Owner's Manual - Page 300

9-50 Driving and Operating Ending Cruise Control There are three ways to end cruise control: . Using Cruise Control on Hills How well the cruise control works on hills depends on the vehicle speed, the load, and the steepness of the hills. When going up steep hills, pressing the accelerator pedal may be necessary to maintain vehicle speed. While going downhill, the Cruise Grade Braking feature may automatically shift to a lower gear to keep the vehicle's speed down. It may be necessary to apply the brake or manually shift the transmission to a lower gear. The vehicle may shift to a higher gear when grade braking assistance is no longer required. Cruise Grade Braking is not available while in Range Selection Mode. See "Range Selection Mode" under Manual Mode on page 9‑33. When the brakes are manually applied the cruise control is disengaged. Object Detection Systems Ultrasonic Parking Assist If available, the Ultrasonic Rear Parking Assist (URPA) system assists the driver with parking and avoiding objects while in R (Reverse). URPA operates at speeds less than 8 km/h (5 mph). The sensors on the rear bumper detect objects up to 2.5 m (8 ft) behind the vehicle, and at least 25 cm (10 in) off the ground. To disengage cruise control, step lightly on the brake pedal. Press the wheel. . [ on the steering . To turn off the cruise control, press I on the steering wheel. Erasing Speed Memory The cruise control set speed is erased from memory by pressing the I button or if the ignition is turned off. { WARNING The URPA system does not detect pedestrians, bicyclists, animals, or objects below the bumper or that are too close or too far from the vehicle. (Continued)