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Black plate (60,1)
Cadillac STS Owner Manual - 2011
Traction Control System (TCS)
Warning Light
The TCS warning light
comes on briefly when
the engine is started.
If it does not, have the vehicle serviced by your dealer.
If the Traction Control System (TCS) warning light
comes on and stays on, there may be a problem with
the TCS.
The light also comes on if the TCS is turned off using
the traction control on/off button located on the console.
If this light stays on or comes on while driving, pull off
the road as soon as possible and stop carefully. Turn
the engine off and then restart it. If the light still stays on
or comes back on again while driving, the vehicle needs
service. Have the TCS inspected as soon as possible.
See Traction Control System (TCS)
on page 5‑9
and StabiliTrak
®
System
on page 5‑6
for more
information.
Lane Departure Warning (LDW) Light
For vehicles with the
lane departure warning
system, this light briefly
comes on green while
starting the vehicle.
If it does not, have the vehicle serviced by your dealer.
If the system is working normally the indicator light then
goes off.
This light also comes on green if the system detects
a left or right lane marking. It flashes, changes to
amber, and three beeps sound, if a detected lane
marking is crossed without using a turn signal. For
more information, see the Index in the Navigation
Manual.
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