Oldsmobile 1999 Aurora - Manual (Page 127)

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The traction control system warning light may come on
for the following reasons:
D If you turn the system off by pressing the
TRACTION CONTROL button located on the
center console, the warning light will come on and
stay on. To turn the system back on, press the
button again. The warning light should go off.
(See “Traction Control System” in the Index for
more information.)
D If there’s a brake system problem that is specifically
related to traction control, the traction control system
will turn off and the warning light will come on. If
your brakes begin to overheat, the traction control
system will turn off and the warning light will come
on until your brakes cool down.
D If the traction control system is affected by an
engine - related problem, the system will turn off and
the warning light will come on.
If the traction control system warning light comes on
and stays on for an extended period of time when the
system is turned on, your vehicle needs service.
Traction Control System Active Light
When your traction control
system is limiting wheel
spin, this light will come on.
Slippery road conditions may exist if the traction
control system active light comes on, so adjust your
driving accordingly.
The light will stay on for a few seconds after the traction
control system stops limiting wheel spin.