2012 Chevrolet Tahoe Owner's Manual - Page 330
2012 Chevrolet Tahoe Manual
Page 330 highlights
9-52 Driving and Operating If the vehicle has StabiliTrak and the system begins to limit wheel spin, cruise control will automatically disengage. See StabiliTrak® System on page 9‑47. When road conditions allow the cruise control to be safely used again, it can be turned back on. +RES (Resume/Accelerate): Press briefly to make the vehicle resume to a previously set speed, or press and hold to accelerate. SET− (Set/Coast): Press to set the speed and activate cruise control or make the vehicle decelerate. Cruise Control { WARNING Cruise control can be dangerous where you cannot drive safely at a steady speed. So, do not use the cruise control on winding roads or in heavy traffic. Cruise control can be dangerous on slippery roads. On such roads, fast changes in tire traction can cause excessive wheel slip, and you could lose control. Do not use cruise control on slippery roads. With cruise control, a speed of about 40 km/h (25 mph) or more can be maintained without keeping your foot on the accelerator. Cruise control does not work at speeds below about 40 km/h (25 mph). When the brakes are applied, cruise control is turned off. [ (Cancel): Press to disengage cruise control without erasing the set speed from memory. Setting Cruise Control If the cruise button is on when not in use, it could get bumped and go into cruise when not desired. Keep the cruise control switch off when cruise is not being used. I (On/Off): Press to turn the system on or off. The indicator light is on when cruise control is on and turns off when cruise control is off.