2008 GMC Acadia Owner's Manual - Page 148

Hazard Warning Flashers The hazard warning flashers let you warn others. They also let police know you have a problem. The front and rear turn signal lamps will flash on and off. The hazard warning flasher button is located in the center of the instrument panel, below the audio system. Other Warning Devices If you carry reflective triangles, you can set them up at the side of the road about 300 feet (100 m) behind your vehicle. Horn Press near or on the horn symbols on the steering wheel pad to sound the horn. Tilt and Telescopic Steering Wheel Press the button to make the front and rear turn signal lamps flash on and off. Press the button again to turn the flashers off. The hazard warning flashers work at all times. However, when they are on, the turn signals will not work. A tilt and telescope wheel lets you adjust the steering wheel before you drive. The steering wheel can be raised to the highest level to give your legs more room when you enter and exit the vehicle. The lever that lets you tilt and telescope the steering wheel is located on the left side of the steering column. 3-6