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ing at below approximately 20 mph [30
km/h], the set speed will be set to
approximately 20 mph [30 km/h].)
■
Accelerating after setting the vehicle
speed
The vehicle can accelerate by operating the
accelerator pedal. After accelerating, the
set speed resumes. However, during vehi-
cle-to-vehicle distance control mode, the
vehicle speed may decrease below the set
speed in order to maintain the distance to
the preceding vehicle.
■
When the vehicle stops while follow-up
cruising
Pressing the "+RES" switch while the
●
vehicle ahead stops will resume follow-
up cruising if the vehicle ahead starts off
within approximately 3 seconds after the
switch is pressed.
If the vehicle ahead starts off within 3 sec-
●
onds after your vehicle stops, follow-up
cruising will be resumed.
Automatic cancelation of vehicle-to-
■
vehicle distance control mode
Vehicle-to-vehicle distance control mode is
automatically canceled in the following situ-
ations.
VSC is activated.
●
●
TRAC is activated for a period of time.
When the VSC or TRAC system is
●
turned off.
The sensor cannot detect correctly
●
because it is covered in some way.
●
Pre-collision braking is activated.
The parking brake is operated.
●
●
The vehicle is stopped by system control
on a steep incline.
The following are detected when the
●
vehicle has been stopped by system con-
trol:
• The driver is not wearing a seat belt.
• The driver's door is opened.
• The vehicle has been stopped for about 3
minutes
If vehicle-to-vehicle distance control mode
is automatically canceled for any reasons
other than the above, there may be a mal-
4-5. Using the driving support systems
function in the system. Contact your Lexus
dealer.
Automatic cancelation of constant
■
speed control mode
Constant speed control mode is automati-
cally canceled in the following situations:
●
Actual vehicle speed is more than
approximately 10 mph (16 km/h) below
the set vehicle speed.
Actual vehicle speed falls below approxi-
●
mately 20 mph (30 km/h).
●
VSC is activated.
TRAC is activated for a period of time.
●
●
When the VSC or TRAC system is
turned off.
Pre-collision braking is activated.
●
If constant speed control mode is automati-
cally canceled for any reasons other than
the above, there may be a malfunction in
the system. Contact your Lexus dealer.
Brake operation
■
A brake operation sound may be heard and
the brake pedal response may change, but
these are not malfunctions.
Warning messages and buzzers for
■
dynamic radar cruise control with full-
speed range
Warning messages and buzzers are used to
indicate a system malfunction or to inform
the driver of the need for caution while driv-
ing. If a warning message is shown on the
multi-information display, read the message
and follow the instructions. (P.185, 371)
When the sensor may not be correctly
■
detecting the vehicle ahead
In the case of the following and depending
on the conditions, operate the brake pedal
when deceleration of the system is insuffi-
cient or operate the accelerator pedal
when acceleration is required.
As the sensor may not be able to correctly
detect these types of vehicles, the approach
warning (P.211) may not be activated.
●
Vehicles that cut in suddenly
Vehicles traveling at low speeds
●
●
Vehicles that are not moving in the same
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