Traction Control System (Tcs) - Buick 2006 LaCrosse Owner's Manual

Traction Control System (TCS)

Your vehicle may have a Traction Control System (TCS)
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 front wheels
are spinning or beginning to lose traction. When this
happens, the system reduces engine power and
may also upshift the transaxle to limit wheel spin.
If your vehicle has a Driver Information Center (DIC),
the TRACTION CONTROL ACTIVE message will
come on in the while the TCS is limiting wheel spin.
You may feel or hear the system working, but this
is normal.
If the vehicle is in cruise control when the TCS begins
to limit wheel spin, the cruise control will automatically
disengage. When road conditions allow safe use of
the cruise control, it can be used again. See Cruise
Control on page 3-10.
4-10
The traction control system
active light will come on
while the TCS is limiting
wheel spin.
The TCS operates in all transaxle shift lever positions.
But the system can upshift the transaxle only as high as
the shift lever position that was chosen, so use the
lower gears only when necessary. See Automatic
Transaxle Operation on page 2-26.
To limit wheel spin, especially in slippery road conditions,
you should always leave the TCS on. But you can turn
the system off if you ever need to. The TCS should be
turned off if the vehicle ever gets stuck in sand, mud or
snow and rocking the vehicle is required. See Rocking
Your Vehicle to Get It Out on page 4-31 and If Your
Vehicle is Stuck in Sand, Mud, Ice or Snow on page 4-30.
To turn the TCS on or off, press the TCS button located
directly behind the gear shift lever. If your vehicle
has a DIC, the TCS button is located above the radio.
When the TCS is turned off, the TCS warning light
will come on. It will disappear when the TCS is turned
back on. If the TCS is limiting wheel spin when the
TCS button is pressed, the TCS warning light will come
on and the TCS will turn off right away.
Adding non-GM accessories can affect your vehicle's
performance. See Accessories and Modifications
on page 5-3 for more information.