Toyota sienna 2004 Service Manual page 497

Introduction & Operation
This quick reference guide provides you with information on Dynamic Laser Cruise Control
Vehicle- to- Vehicle Distance Control Mode. Prior to use of this system, you should be thoroughly familiar
with this system, referring to "Dynamic Laser Cruise Control" in Section 1- 6, Owner's Manual in
conjunction with this quick reference guide.
J Dynamic Laser Cruise Control Operation
The laser radar sensor in this system primarily detects the reflectors of the vehicle ahead of you to determine the presence of the
vehicle and the vehicle- to- vehicle distance. The detection range of the sensor is about 120 m (400 ft.) ahead.
F If no vehicle is detected ahead of you:
D Your cruising speed is maintained at the preset speed from about 45 km/h (28 mph) to about 135 km/h (85 mph).
F If a vehicle is detected ahead of you:
D Your cruising speed changes in proportion to the speed of the vehicle ahead to maintain an appropriate distance from your vehicle
to the vehicle ahead.
D If the vehicle ahead is out of the detection range, your cruising speed will be gradually increased up to the preset speed, and your
vehicle resumes fixed- speed cruising.
D If the vehicle ahead decelerates abruptly or other vehicles cut in ahead of you, your vehicle may be too close to the vehicle ahead
of you. If this occurs, the display flashes and beeps. (Approach warning)
The dynamic laser cruise control should be used on roads in which sufficient vehicle- to- vehicle distance will be ensured
(such as on freeways).
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