2001 GMC Sierra 1500 Pickup Owner's Manual - Page 249

If you decide you can go down a hill safely, then try to keep your vehicle headed straight down, and use a low gear. This way, engine drag can help your brakes and they won't have to do all the work. Descend slowly, keeping your vehicle under control at all times. D When driving downhill, avoid turns that take you across the incline of the hill. A hill that's not too steep to drive down may be too steep to drive across. You could roll over if you don't drive straight down. NEUTRAL (N), or with the clutch pedal pressed down in a manual shift. This is called "free-wheeling." Your brakes will have to do all the work and could overheat and fade. Am I likely to stall when going downhill? It's much more likely to happen going uphill. But if it happens going downhill, here's what to do. D Never go downhill with the transmission in CAUTION: Heavy braking when going down a hill can cause your brakes to overheat and fade. This could cause loss of control and a serious accident. Apply the brakes lightly when descending a hill and use a low gear to keep vehicle speed under control. Q: A: D Stop your vehicle by applying the regular brakes. Apply the parking brake. Q: A: D Shift to PARK (P) (or to NEUTRAL (N) with the Are there some things I should not do when driving down a hill? Yes! These are important because if you ignore them you could lose control and have a serious accident. manual transmission) and, while still braking, restart the engine. and drive straight down. D Shift back to a low gear, release the parking brake, D If the engine won't start, get out and get help. 4-27