Chevrolet 2009 Silverado 1500 Pickup Spezifikationen PDF herunterladen (Seite 336)

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TCS and StabiliTrak can be turned on by pressing and

releasing the StabiliTrak button if not automatically

shut off for any other reason.

When TCS or StabiliTrak is turned off, the StabiliTrak

light and the appropriate message will be displayed

on the DIC to warn the driver. The vehicle will still have

brake-traction control when traction control is off, but

will not be able to use the engine speed management

system. See “Traction Control Operation” next for

more information.

When the traction control system has been turned off,

system noises may still be heard as a result of the

brake-traction control coming on.

It is recommended to leave the system on for normal

driving conditions, but it may be necessary to turn

the system off if the vehicle is stuck in sand, mud, ice or

snow, and you want to “rock” the vehicle to attempt

to free it. It may also be necessary to turn off the system

when driving in extreme off-road conditions where

high wheel spin is required. See If Your Vehicle is Stuck

in Sand, Mud, Ice, or Snow on page 4-30.

When the transfer case is in 4LO, the stability system is

automatically disabled, the StabiliTrak light comes on

and the STABILITRAK OFF message will appear on

the DIC. Both traction control and StabiliTrak are

automatically disabled in this condition.

Traction Control Operation

The traction control system is part of the StabiliTrak

system. Traction control limits wheel spin by reducing

engine power to the wheels (engine speed management)

and by applying brakes to each individual wheel

(brake-traction control) as necessary.

The traction control system is enabled automatically

when the vehicle is started. It will activate and the

StabiliTrak light will ﬂash if it senses that any of the

wheels are spinning or beginning to lose traction while

driving. If traction control is turned off, only the

brake-traction control portion of traction control will

work. The engine speed management will be disabled.

In this mode, engine power is not reduced automatically

and the driven wheels can spin more freely. This can

cause the brake-traction control to activate constantly.

Notice: If the wheel(s) of one axle is allowed to spin

excessively while the StabiliTrak, ABS and brake

warning lights and any relevant DIC messages are

displayed, the transfer case could be damaged.

The repairs would not be covered by the vehicle

warranty. Reduce engine power and do not spin

the wheel(s) excessively while these lights and

messages are displayed.

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