1993 Pontiac Firebird Owner's Manual - Page 174

Three important considerations have do to Consider using a sway control.You with weight: can ask a hitch dealer about sway controls. Weight of the Trailer Don't tow a trailer at all during the How heavy can a trailer safely be? first 500 miles (800 km) your new It should never weigh more than vehicle is driven. Your engine,axle or 1,500 pounds (680 kg) under normal other parts could be damaged. driving conditions. It should never Then, during the first500 miles (800 weigh more than 1,000 pounds km) that you tow a trailer, don't drive (450 kg) when driven on long grades over 50 mph (80 km/h) and don't at high ambient temperatures. But make starts at full throttle. This helps even that can be too heavy. your engine and other parts of your you It depends on how plan to use vehicle wear in at the heavier loads. 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, can it also depend on any special equipment that you have on your vehicle. You can ask your dealer for our trailering information or advice,or you can write us at: Pontiac Division Customer Assistance Center One Pontiac Plaza Pontiac, MI 48340-2952 In Canada, write to: General Motorsof Canada Limited Customer Assistance Center 1908 Colonel Sam Drive Oshawa, Ontario LlH 8P7