2013 Chevrolet Tahoe Owner Manual - Page 305

Driving and Operating 4. Take your foot off the accelerator. Resuming a Set Speed If the cruise control is set at a desired speed and then the brakes are applied, the cruise control is disengaged without erasing the set speed from memory. Once the vehicle speed reaches about 40 km/h (25 mph) or more, press the +RES button on the steering wheel. The vehicle returns to the previous set speed and stays there. Increasing Speed While Using Cruise Control If the cruise control system is already activated, . . 9-47 To increase vehicle speed in small amounts, press the +RES button. Each time this is done, the vehicle goes about 1.6 km/h (1 mph) faster. 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. When going downhill, Cruise Grade Braking helps maintain the driver selected speed. Cruise Grade Braking is enabled when the vehicle is started and Cruise Control is active. It is not enabled in Range Selection Mode. It assists in maintaining driver selected speed when driving on downhill grades by using the engine and transmission to slow the vehicle. To disable and enable Cruise Grade Braking for the current ignition key cycle, press and hold the Tow/Haul button for three seconds. A DIC message displays. See Transmission Messages on page 5‑42. Reducing Speed While Using Cruise Control If the cruise control system is already activated, . Press and hold the SET- button on the steering wheel until the desired lower speed is reached, then release it. To slow down in small amounts, press the SET- button on the steering wheel briefly. Each time this is done, the vehicle goes about 1.6 km/h (1 mph) slower. . Press and hold the +RES button on the steering wheel until the desired speed is reached, then release it. Passing Another Vehicle While Using Cruise Control Use the accelerator pedal to increase the vehicle speed. When you take your foot off the pedal, the vehicle will slow down to the previous set cruise speed.