Chevrolet 2007 Avalanche Spezifikationen PDF herunterladen (Seite 346)

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101

Driving On Grades

Reduce speed and shift to a lower gear before you start

down a long or steep downgrade. If you don’t shift

down, you might have to use your brakes so much that

they would get hot and no longer work well.

You can tow in DRIVE (D). You may want to shift the

transmission to THIRD (3) or, if necessary, a lower gear

selection if the transmission shifts too often (e.g., under

heavy loads and/or hilly conditions).

You may also want to activate the tow/haul mode if the

transmission shifts too often. See “Tow/Haul Mode”

earlier in this section.

When towing at high altitude on steep uphill grades,

consider the following: Engine coolant at higher altitudes

will boil at a lower temperature than at or near sea

level. 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) for a few minutes before turning the engine

off. If you do get the overheat warning, see Engine

Overheating on page 5-27.

Parking on Hills

{CAUTION:

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

can be injured, and both your vehicle and the

trailer can be damaged.

But if you ever have to park your rig on a hill, here’s

how to do it:

1. Apply your regular brakes, but don’t shift into

PARK (P) yet.

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 shift into PARK (P).

5. If you have a four-wheel-drive vehicle, be sure the

transfer case is in a drive gear and not in

NEUTRAL (N).

6. Release the regular brakes.

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