Chevrolet 2009 Silverado 1500 Pickup Spezifikationen PDF herunterladen (Seite 334)

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101

Braking in Emergencies

ABS allows the driver to steer and brake at the same

time. In many emergencies, steering can help more than

even the very best braking.

Brake Assist (Except With 4.3L V6 Engine)

If this vehicle has StabiliTrak

, it also has a Brake

Assist feature designed to assist the driver in stopping

or decreasing vehicle speed in emergency driving

conditions. This feature uses the stability system

hydraulic brake control module to supplement the power

brake system under conditions where the driver has

quickly and forcefully applied the brake pedal in

an attempt to quickly stop or slow down the vehicle.

The stability system hydraulic brake control module

increases brake pressure at each corner of the vehicle

until the ABS activates. Minor brake pedal pulsations

or pedal movement during this time is normal and

the driver should continue to apply the brake pedal as

the driving situation dictates The Brake Assist feature

will automatically disengage when the brake pedal

is released or brake pedal pressure is quickly

decreased.

StabiliTrak

System

The vehicle may have a vehicle stability enhancement

system called StabiliTrak. It is an advanced computer

controlled system that assists the driver with directional

control of the vehicle in difficult driving conditions.

StabiliTrak activates when the computer senses a

discrepancy between the intended path and the direction

the vehicle is actually traveling. StabiliTrak selectively

applies braking pressure at any one of the vehicle’s

brakes to assist the driver with keeping the vehicle on

the intended path.

When the vehicle is started and begins to move, the

system performs several diagnostic checks to insure

there are no problems. The system may be heard or felt

while it is working. This is normal and does not mean

there is a problem with the vehicle. The system

should initialize before the vehicle reaches 20 mph

(32 km/h). In some cases, it may take approximately

two miles of driving before the system initializes.

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