Gmc 2007 Sierra User Manual download pdf (Page 363)

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101

Remember: ABS does not change the time you

need to get your foot up to the brake pedal or

always decrease stopping distance. If you get too

close to the vehicle in front of you, you will not have

time to apply your brakes if that vehicle suddenly

slows or stops. Always leave enough room up

ahead to stop, even though you have ABS.

Using ABS

Do not pump the brakes. Just hold the brake

pedal down ﬁrmly and let anti-lock work for you.

You may feel the brakes vibrate, or you may notice

some noise, but this is normal.

Braking in Emergencies

With ABS, you can steer and brake at the same

time. In many emergencies, steering can help you

more than even the very best braking.

Traction Assist System (TAS)

Your vehicle may have a Traction Assist

System (TAS) that limits wheel spin. This is

especially useful in slippery road conditions.

The system operates only if it senses that one or

both of the rear wheels are spinning or beginning

to lose traction. When this happens, the system

reduces engine power to limit wheel spin.

The traction control system is enabled every time

your vehicle is started. The system will activate

if it senses that any of the wheels are spinning or

beginning to lose traction.

You may hear or feel the system working or notice a

lack of accelerator response, but this is normal.

The Traction Assist System may operate on dry

roads under some conditions. When this happens,

you may notice a reduction in acceleration.

This is normal and doesn’t mean there’s a problem

with your vehicle. Examples of these conditions

include a hard acceleration in a turn, an abrupt

upshift or downshift of the transmission or driving

on rough roads.

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Gmc 2007 Sierra User Manual Page 363

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