GMC 2003 Envoy - Manual (Page 243)

The next time you start youf vehicle, the ТАЙ will not
automatically come on. You tan restore the automatic
feature by using the same procedure. Whether the TAS
is sot to come on autamatjcally or not, you can atways
lurn the system on or off by pressing Ihe TAS on/oti
button,
Locking Rear Axie
If your ■i/ehide has this leature, your focking rear axle
can give you acfdiitional traction on snow, mod, ice, sand
or gravel. It wortis like a standard axle most of lha
lime, but when one of the rear wheels has no fraction
and the olher does, this feature will allow the wheel with
iractlon to move lhe vehicle*
Steering
Power steering
If you lose power sieentig assisi because Ihe engine
slops or the syslem is not functioning, you can stear but
it will taka much more effort.
Steering Tips
Driving on Curves
It's 4mportanl to take curves af a reasonable speed.
A tot of the 'idrlver lost control" accidonis menliooed on
(he news happen an curve s^ Here’s why;
Experienced dnver or beginner, each of us is subject to
the same laws of physics when driving on curvas.
The traction of the tires against the road surface makes
It possible for the vehicle to change its path when
you lufh the from wheels. If there's no traction, inertia
will keep the vehicle going in (he same direclion. If
you've over tried lo steer a vehicle or> wet ¡сОн you'll
understand thlg+
The traction you can geJ m a curve depends on The
condition of your liras and [he road surface, tha angle at
which ibe curve is banked, and your spaed г 'A'hiie
you're in a curve, spaed is the one facior you can
control.
Suppose you're steering through a sharp curve. Then you
suddenly accelerate. Both comlrol systems — steering
and acceleratiorr — have 1o do their work where the tires
meet the road. Adding the sudden acceleration can
demarrd too much ol those places. You can lose controf
See TracUon Assist System {TAS} on psge 4-3.
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