2012 Lexus HS 250h Owners Manual - Page 225

225

2-4. Using other driving systems

2

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Automatic cancelation of constant speed control

The cruise control will stop maintaining the vehicle speed in the following situations:

●

Actual vehicle speed is more than approximately 10 mph (16 km/h) below the

set vehicle speed.

At this time, the memorized set speed is not retained.

●

Vehicle speed falls below approximately 25 mph (40 km/h).

●

Enhanced VSC is activated.

■

Radar sensor and grille cover

Always keep the sensor and grille cover clean to ensure that the vehicle-to-vehicle

distance control operates properly. (Some obstructions, such as snow, ice and plas-

tic objects, cannot be detected by the obstruction sensor.)

Dynamic radar cruise control is canceled if an obstruction is detected.

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Warning lights, messages and buzzers for dynamic radar cruise control

Warning lights, messages and buzzers are used to indicate a system malfunction or

to inform the driver of the need for caution while driving. (

→

P. 503, 513, 516)

Grille cover

Radar sensor