2009 GMC Acadia Owner's Manual - Page 132

3-10 Instrument Panel 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. But it does not need to be reset. Once the vehicle speed is 25 mph (40 km/h) or greater, press the +RES button on the steering wheel. The vehicle returns to the previously set speed and stays there. Increasing Speed While Using Cruise Control There are two ways to increase the vehicle speed while using cruise control: Reducing Speed While Using Cruise Control There are two ways to reduce the vehicle speed while using cruise control: Setting Cruise Control Cruise control will not work if the parking brake is set, or if the master cylinder brake fluid level is low. The cruise control light on the instrument panel cluster comes on after the cruise control has been set to the desired speed. • Press and hold the SET- button on the steering wheel until the lower speed desired is reached, then release it. { CAUTION If you leave your cruise control on when you are not using cruise, you might hit a button and go into cruise when you do not want to. You could be startled and even lose control. Keep the cruise control switch off until you want to use cruise control. 1. Press the I button. 2. Get up to the speed desired. 3. Press and release the SET- button located on the steering wheel. 4. Take your foot off the accelerator. • To slow down in very small amounts, press the SET- button briefly. Each time this is done, the vehicle goes about 1 mph (1.6 km/h) slower. Passing Another Vehicle While Using Cruise Control Use the accelerator pedal to increase vehicle speed. When you take your foot off the pedal, the vehicle will slow down to the previously set cruise speed. • Press and hold the +RES button on the steering wheel until the desired speed is reached, then release it. • To increase vehicle speed in small increments, press the +RES button briefly. Each time this is done, the vehicle goes about 1 mph (1.6 km/h) faster.