Toyota SIENNA 2011 Quick Reference Manual page 333

2-4. Using other driving systems
■
Dynamic radar cruise control can be set when
●
The shift lever is in D or more than 4 range of S has been selected.
●
Vehicle speed is above approximately 30 mph (50 km/h).
■
Switching modes
The mode cannot be switched to constant speed control mode if vehicle-to-
vehicle distance control mode has been used. The mode also cannot be
switched from constant speed control to vehicle-to-vehicle distance control
mode. Turn the system off by pressing the "ON-OFF" button, and turn it on
again.
■
Accelerating
The vehicle can accelerate normally. After acceleration, the set speed
resumes.
However, during vehicle-to-vehicle distance control mode, the vehicle speed
may decrease below the set speed in order to maintain the distance to the
vehicle ahead.
■
Automatic cancelation of vehicle-to-vehicle distance control
Vehicle-to-vehicle distance control driving is automatically canceled in the
following situations:
●
Actual vehicle speed falls below approximately 25 mph (40 km/h).
●
Enhanced VSC is activated.
●
The sensor cannot operate correctly because it is covered in some way.
●
The windshield wipers are operating at high speed.
If vehicle-to-vehicle distance control driving is automatically canceled for any
other reason, there may be a malfunction in the system. Contact your Toyota
dealer.
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