2012 Chevrolet Tahoe Owner's Manual - Page 332

9-54 Driving and Operating Ending Cruise Control There are three ways to end cruise control: . 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 9‑35. 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 uses sensors on the rear bumper to assist with parking and avoiding objects while in R (Reverse). 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. To prevent injury, death, or vehicle damage, even with URPA, always check the area around the vehicle and check all mirrors before backing.