1995 Chevrolet Blazer Owner's Manual - Page 200

When towing at high altitude steep uphill grades, consider the following: on Engine coolant will boil at a lower temperature than at normal altitudes. If you turn your engineoff immediately after towing at high altitude on steep uphill grades, your vehicle may show signs similarengine overheating. to To avoid this, let the engine run while parked (preferably on level ground) with the automatic transmission in PARK (or the manual transmission (P) out of gear and the parking brake applied) for a few minutes before turning the engine off. If do get the overheat warning, see "Engine you Overheating" in the Index. Parking on Hills You really should not park your vehicle, with a trailer attached, onhill. If a something goes wrong, your rig could start move. People canbe injured, to and both your vehicle and the trailer can be damaged. But if you ever haveto park your rig on a here's how to do it: hill, 1. Apply your regular brakes, but don't shift into PARK yet, or into (P) gear for a manual transmission. Then turn your wheels into the curb if facing downhillor into traffic if facing uphill. 2. Have someone place chocks under the trailer wheels. 3. When the wheel chocks are in place, release the regular brakes until the chocks absorb the load. 4. Reapply the regular brakes. Then apply your parking brake, and then shift into PARK (P), or REVERSE for a manual transmission. (R) 5. If you have a four-wheel-drive vehicle with a manual transfer case shift lever, be surethe transfer case is in a drive gear not in NEUTRAL (N). 6. Release the parking brake. 4-46