1998 Chevrolet Blazer Owner's Manual - Page 231

If you have an automatic transmission,you should use DRIVE (D) when towing a trailer. Operating your vehicle in DRIVE (D) when towing a trailer will minimize heat buildup and extend the of your life transmission. Or, if you have a manual transmission, it's better not to use FIFTH ( 5 ) gear, just drive in FOURTH (4) gear (or, as you need to, a lower gear). When towing at high altitude on steep uphill grades, consider the following: Engine coolant will boil a at lower temperature than at normal altitudes. If you turn your engine off immediately after towing at high altitude on steep uphill grades, your vehicle may show signs similar to engine overheating. To avoid this, let the engine run while parked (preferably on level ground) with the automatic transmission in PARK(P) (or the manual transmission outof gear and the parking brake applied) for a few minutes before turning the engine off. If you do get the overheat warning, see "Engine Overheating" in the Index. But if you ever have park your rig on a hill, here's to how to do it: shift into 1 . Apply your regular brakes, but don't PARK (P) yet, or into gear for a manual transmission. Then turn your wheels the curb if into facing downhill or into traffic if facing uphill. trailer wheels. 2. Have someone place chocks under the 3. When the wheel chocksare in place, release the regular brakes until the chocks absorb load. the 4. Reapply the regular brakes. Then apply your parking brake, and then shiftinto PARK (P), or REVERSE (R) for a manual transmission. 5 . If you have a four-wheel-drive vehicle with a manual transfer case shift lever, be sure the transfer case is in a drive gear-- not in NEUTRAL (N). 6. Release the regular brakes. Parking on Hills You really should not park your vehicle, with a trailer attached, on a hill. If something goes wrong, your rig could start to move. People canbe injured, and both your vehicle andthe trailer can be damaged. When You Are Ready to Leave After Parking ona Hill 1. Apply your regular brakes and hold the pedal down while you: 0 0 Startyourengine; Shift into a gear; and R.elease the parking brake. 0 4-49