2002 GMC Envoy Owner's Manual - Page 94

DRIVE (D): This position is for normal driving. If you need more power for passing, and you're: D Going less than about 35 mph (55 km/h), push the accelerator pedal about halfway down. accelerator all the way down. D Going about 35 mph (55 km/h) or more, push the You'll shift down to the next gear and have more power. DRIVE (D) should not be used when towing a trailer, carrying a heavy load, driving on steep hills or for off-road driving. Select THIRD (3) when operating the vehicle under any of these conditions. THIRD (3): This position is also used for normal driving, however it offers more power and lower fuel economy than DRIVE (D). You should use THIRD (3) when towing a trailer, carrying a heavy load, driving on steep hills or winding roads or for off-road driving. SECOND (2): This position gives you more power but lower fuel economy than THIRD (3). You can use SECOND (2) on hills. It can help control your speed as you go down steep mountain roads, but then you would also want to use the brakes off and on. You can also use SECOND (2) for starting the vehicle from a stop on slippery road surfaces. FIRST (1): This position gives you even more power but lower fuel economy than SECOND (2). You can use it on very steep hills, or in deep snow or mud. If the selector lever is put in FIRST (1) while the vehicle is moving forward, the transmission won't shift into first gear until the vehicle is going slowly enough. NOTICE: If your rear wheels can't rotate, don't try to drive. This might happen if you were stuck in very deep sand or mud or were up against a solid object. You could damage your transmission. Also, if you stop when going uphill, don't hold the vehicle there with only the accelerator pedal. This could overheat and damage the transmission. Use the brakes or shift into PARK (P) to hold the vehicle in position on a hill. 2-25