Lexus IS220d 2012 Manual page 237

When the VSC/TRC/hill-start assist control systems are operating
To disable TRC/VSC
If the vehicle gets stuck in fresh snow or mud, TRC 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.

Turning off TRC
IS250/220d/200d_EE
2-4. Using other driving systems
The slip indicator flashes to
indicate that the VSC/TRC/hill-
start assist control systems have
been engaged.
The stop lights
mounted stoplight turn on when
the hill-start assist control sys-
tem is operating.
Quickly push and release the
switch to turn off TRC
A message will be shown on the
multi-information display.
Push the switch again to turn
the system back on.
and high
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