Lexus RX 450h 2012 Owner's Manual page 251

2-4. Using other driving systems
Dynamic radar cruise control can be set when
■
The shift lever is in the D or range "4", "5", or "6" or higher of S has been
●
selected.
Vehicle speed is above approximately 30 mph (50 km/h).
●
Accelerating after setting the vehicle speed
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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 follow-
ing situations:
Actual vehicle speed falls below approximately 25 mph (40 km/h).
●
VSC is activated.
●
The sensor cannot operate correctly because it is covered in some way.
●
The windshield wipers are operating at high speed (when the wiper switch is set
●
to the high speed wiper operation position).
When the snow mode is set.
●
If vehicle-to-vehicle distance control driving is automatically canceled for any other
reason, there may be a malfunction in the system. Contact your Lexus dealer.
250
Adjusting the speed setting:
→P. 244
Canceling and resuming the speed
setting: →P. 246