TOYOTA 2011 Sienna - Manual (Page 329)

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2-4. Using other driving systems
■ Changing the vehicle-to-vehicle distance
Pressing the button changes
the vehicle-to-vehicle dis-
tance as follows:
Long
Medium
Short
Vehicles without a smart key
system:
The vehicle-to-vehicle distance
is set automatically to long
mode when the engine switch
is turned to the “ON” position.
Vehicles with a smart key sys-
tem:
The vehicle-to-vehicle distance
is set automatically to long
mode when the “ENGINE
START STOP” switch is turned
to IGNITION ON mode.
If a vehicle is running ahead of
you, the preceding vehicle
mark will also be displayed.
Preceding
vehicle mark