1994 GMC Jimmy Owner's Manual - Page 200

Making Turns When you're turning with a trailer, make wider turns than normal. this Do so your trailer won't strike soft shoulders, curbs, road signs, trees, or other objects. Avoid jerky or sudden maneuvers. Signal well in advance. Turn Signals When Towinga Trailer When you tow a trailer, your vehicle has to havedifferent turn signal a flasher and extra wiring. green arrows on your instrument panel will The flash whenever you signala turn or lane change. Properly hooked up, the trailer lights will also flash, telling other drivers you're about to turn, change lanes or stop. When towinga trailer, the green arrows on your instrument panel will flash for turns evenif the bulbs on the trailer are burned out. you may think Thus, It's drivers behind you are seeing your signal when they are not. important to check occasionallyto be sure the trailer bulbs are still working. Driving On Grades Reduce speed and shift tolower gear before you start downa long or a steep downgrade.If you don't shift down, you might have to use your brakes so much that they would get hot and no longer work well. 45 On a long uphill grade, shift down and reduce your speed to around mph (70 km/h) to reduce the possibility engine and transmission overheating. of If you have anautomatic transmission, you should use"D" when towing a trailer. Operating your vehicle in when towing a trailer will minimize "D" heat buildup and extend the life of your transmission. Or, you have a if manual transmission with fifth gear, it's better not to use fifthjust gear, drive in fourth gear (or, as need to, a lower gear). you Parking on Hills You really should not park your vehicle, with a trailer attached, ona hill. If something goes wrong, your rig could start to move. People can be injured, and both your vehicle and the trailer can be damaged. But if you ever have to park your rig a hill, here'show to do it: on 1. Apply your regular brakes, but don't shift into (Park) yet, or into "P" gear for a manual transmission. 2. Have someone place chocks under the trailer wheels. 3. When the wheel chocks are in place, release the regular brakes until the chocks absorb the load. 4-42