2009 Buick Enclave Owner's Manual - Page 269

Driving Your Vehicle Passing More passing distance is needed when towing a trailer. Because the rig is longer, it is necessary to go much farther beyond the passed vehicle before returning to the lane. curbs, road signs, trees or other objects. Avoid jerky or sudden maneuvers. Signal well in advance. 4-29 Turn Signals When Towing a Trailer The arrows on the instrument panel flash whenever signaling a turn or lane change. Properly hooked up, the trailer lamps also flash, telling other drivers the vehicle is turning, changing lanes or stopping. When towing a trailer, the arrows on the instrument panel flash for turns even if the bulbs on the trailer are burned out. For this reason you may think other drivers are seeing the signal when they are not. It is important to check occasionally to be sure the trailer bulbs are still working. Backing Up Hold the bottom of the steering wheel with one hand. Then, to move the trailer to the left, move that hand to the left. To move the trailer to the right, move your hand to the right. Always back up slowly and, if possible, have someone guide you. temperature gage indicates overheating, turn off the air conditioning to reduce engine load, pull off the road and stop in a safe spot. Let the engine run while parked, preferably on level ground, with the transmission in P (Park) for a few minutes before turning the engine off. Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get hot and no longer work well. On a long uphill grade, shift down and reduce the vehicle speed to around 55 mph (88 km/h) to reduce the possibility of the engine and the transmission overheating. Making Turns Notice: Making very sharp turns while trailering could cause the trailer to come in contact with the vehicle. The vehicle could be damaged. Avoid making very sharp turns while trailering. When turning with a trailer, make wider turns than normal. Do this so the trailer won't strike soft shoulders, Driving on Grades Because of the added load of the trailer, the vehicle's engine may overheat on hot days, when going up a long or steep grade with a trailer. If the engine coolant