Lexus IS 250C 2014 Manual page 216

2-4. Using other driving systems
To disable TRAC/VSC
If the vehicle gets stuck in fresh snow or mud, TRAC and VSC may
reduce power from the engine to the wheels. You may need to turn the
system off to enable you to rock the vehicle in order to free it.
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Turning off TRAC
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Turning off TRAC and VSC
216
Quickly push and release the
switch to turn off TRAC.
A message will be shown on the
multi-information display.
Push the switch again to turn the
system back on.
To turn the TRAC and VSC sys-
tems off, press and hold the switch
for 3 seconds or more while the
vehicle is stopped.
A message will be shown on the
multi-information display and VSC
off indicator light will come on.
Push the switch again to turn the
system back on.