2001 GMC Safari Owner's Manual - Page 210

If You Do Decide To Pull A Trailer If you do, here are some important points: Three important considerations have to do with weight: D There are many different laws, including speed limit restrictions, having to do with trailering. Make sure your rig will be legal, not only where you live but also where you'll be driving. A good source for this information can be state or provincial police. D the weight of the trailer, D the weight of the trailer tongue D and the weight on your vehicle's tires. Tow/Haul Mode The Tow/Haul Mode is a feature that assists when pulling a heavy trailer. The purpose of the Tow/Haul Mode is: D Consider using a sway control if your trailer will weigh 2,000 lbs. (900 kg) or less. You should always use a sway control if your trailer will weigh more than 2,000 lbs. (900 kg). You can ask a hitch dealer about sway controls. (800 km) your new vehicle is driven. Your engine, axle or other parts could be damaged. tow a trailer, don't drive over 50 mph (80 km/h) and don't make starts at full throttle. This helps your engine and other parts of your vehicle wear in at the heavier loads. lower gear) when towing a trailer. Operating your vehicle in THIRD (3) when towing a trailer will minimize heat buildup and extend the life of your transmission. See "Tow/Haul Mode" in the Index. D to reduce the frequency of shifts when pulling a heavy trailer. D Don't tow a trailer at all during the first 500 miles D to provide the same shift feel when pulling a heavy trailer as when the vehicle is unloaded. pulling a heavy trailer. D Then, during the first 500 miles (800 km) that you D to reduce the need to change throttle position when This feature is turned on or off by pressing a button on the column shift lever. When the feature is on, a light on the instrument panel will illuminate to indicate that the Tow/Haul Mode has been selected. See "Tow/Haul Mode Light" in the Index. The Tow/Haul Mode is automatically turned off each time the vehicle is started. D You should use THIRD (3) (or, as you need to, a 4-32