1998 Pontiac Bonneville Owner's Manual - Page 210
1998 Pontiac Bonneville Manual
Page 210 highlights
Tbrn Signals When Towing a Trailer When you tow a trailer, your vehicle may need a different turn signal flasherand/or extra wiring. Check with your Pontiacdealer. The green arrows on your instrument panel will flash whenever you signal a turn or lanechange. Properly hooked up, the trailer lamps will also flash, telling other drivers you're about to turn, change lanes or stop. When towing a trailer, the green arrows on your instrument panel will flash for turns even if the bulbs on the trailer are burned out. Thus, you may think drivers behind you are seeing your signal when they are not. It's important to check occasionally to be sure the trailer bulbs are still working. Your vehicle has bulb warning lights. When you plug a trailer lighting system into your vehicle's lighting system, its bulb warning lights may not let you know if one of your lamps goes out. So, when you have a trailer lighting system plugged in, be sure to check your vehicle and trailer lamps fromtime to timeto be sure they're all working. Onceyou disconnect the trailer lamps, the bulb warning lights again can tell you if one of your vehicle lamps is out. Driving On Grades Reduce speed and shift to a lower gear before you start If down a long or steep downgrade. you don't shift down, you might have to use your brakes so much that they would get hot and no longer work well. Parking on Hills You really should not park your vehicle, with a trailer attached, on a hill. If something goes wrong, your rig could start to move.People can be injured, and both your vehicle and the trailer can bedamaged. But if you ever haveto park your rig on a hill, here's how to do it: 1. Apply your regular brakes, but don't shift into PARK (P) yet. 2. Have someoneplace chocks under the trailer wheels. 3. When the wheel chocks are inplace, release the regular brakes until the chocks absorb the load. 4. Reapply the regular brakes. Thenapply your parking brake, and then shift to PARK (P). 5. Release the regular brakes. 4-37