1999 Pontiac Firebird Owner's Manual - Page 204
1999 Pontiac Firebird Manual
Page 204 highlights
yellowblue If You Do Decide To Pull A Trailer If you do, here are some important points: D Obey speed limit restrictions when towing a trailer. Don't drive faster than the maximum posted speed for trailers (or no more than 55 mph (90 km/h)) to save wear on your vehicle's parts. 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. dealer about sway controls. Three important considerations have to do with weight: D Consider using a sway control. You can ask a hitch D Don't tow a trailer at all during the first 1,000 miles D Then, during the first 500 miles (800 km) that you (1 600 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. D the weight of the trailer, D the weight of the trailer tongue D and the total weight on your vehicle's tires. Weight of the Trailer How heavy can a trailer safely be? It should never weigh more than 1,500 lbs. (680 kg) under normal driving conditions. It should never weigh more than 1,000 lbs. (450 kg) when driven on long grades at high ambient temperatures (above 90_ F/ 32_ C). But even that can be too heavy. It depends on how you plan to use your rig. For example, speed, altitude, road grades, outside temperature and how much your vehicle is used to pull a trailer are all important. And, it can also depend on any special equipment that you have on your vehicle. 4-34