Pressing the button changes the vehicle-to-vehicle distance as follows:

The vehicle-to-vehicle distance is set automatically to long mode when the engine switch is turned to ignition on mode.
If a vehicle is running ahead of you, the preceding vehicle mark will also be displayed.
Vehicle-to-vehicle distance settings
Select a distance from the table below. Note that the distances shown correspond to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle distance increases/decreases in accordance with vehicle speed.

Adjusting the set speed
Canceling and resuming the speed controlOther functions
Switching between outside air and recirculated air modes
Press .
The mode switches between outside air mode (indicator off) and recirculated
air mode (indicator on) each time
is pressed.
Defogging the windshield
Defoggers are used to defog the windshield and front side windows.
Press .
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