1998 Buick Riviera Owner's Manual - Page 203

When towing a trailer, green arrows on your the Parking on Hills instrument panel will flash turns even if the bulbs on for You really should not park your vehicle, with a trailer the trailer are burned out. Thus, may think drivers you rig behind you are seeing your signal when they are not. It'sattached, on a hill. If something goes wrong, your could start to move. People can be injured, and both important to check occasionally to be sure the trailer your vehicle and the trailer can be damaged. bulbs are still working. Your vehicle has bulb warning lights. When you plug a But if youe\ _ _ have to park your rig on a hill, here's how to doit: trailer lighting system into your vehicle's lighting system, its bulb warning lights may not let you know 1. Apply your regular brakes, but don't shift into if one of your lamps goes out. when you have a trailer So, PARK (P) yet. lighting system plugged be sure to check your in, 2. Have someone place chocks under the trailer wheels. vehicle and trailer lamps from time to time to be sure 3. When the wheel chocks are in place, relea;- the they're all working. Once you disconnect the trailer lamps, the bulb warning lights again can tell you if one regular brake until the chocks absorb the load. of your vehicle lamps out. is 4. Reapply the regular brakes. Then apply your parking brake, and then shift to PARK (P). Driving On Grades Reduce speed and shift to a lower gear you start before down a long steep downgrade. If you don't shift or down, you might have to use your brakesmuch that so they would get hot and no longer work well. On a long uphill grade, use the highest gear possible. If you cannot maintain posted speeds, driving a lower at speed may help avoid overheating your engine and transaxle. 5. Release the regular brakes. 4-36