Lexus ES 300h Owner's Manual page 271

270
4-5. Using the driving support systems
Example of constant speed cruising
A
When there are no vehicles ahead
The vehicle travels at the speed set by the driver.
Example of deceleration cruising and follow-up cruising
B
When a preceding vehicle driving slower than the set speed appears
When a vehicle is detected running ahead of you, the system automatically decelerates
your vehicle. When a greater reduction in vehicle speed is necessary, the system applies
the brakes (the stop lights will come on at this time). The system will respond to changes in
the speed of the vehicle ahead in order to maintain the vehicle-to-vehicle distance set by
the driver. Approach warning warns you when the system cannot decelerate sufficiently to
prevent your vehicle from closing in on the vehicle ahead.
When the vehicle ahead of you stops, your vehicle will also stop (vehicle is stopped by sys-
tem control). After the vehicle ahead starts off, pressing the +RES switch or depressing the
accelerator pedal (start-off operation) will resume follow-up cruising. If the start-off opera-
tion is not performed, system control continues to keep your vehicle stopped.
When the turn signal lever is operated and your vehicle moves to a left lane while driving at
80 km/h (50 mph) or more, the vehicle will quickly accelerate to help to overtake a pass-
ing vehicle.
Example of acceleration
C
When there are no longer any preceding vehicles driving slower than the set
speed
The system accelerates until the set speed is reached. The system then returns to constant
speed cruising.