Dynamic Radar Cruise Control - Lexus RX 450h Owner's Manual

and push the lever down to set the
speed.
Cruise control "SET" indicator will come
on.
The vehicle speed at the moment the lever
is released becomes the set speed.
Adjusting the speed setting: (P.328)
Canceling and resuming the speed setting:
(P.329)
Dynamic radar cruise control can be set
■
when
The shift lever is in D.
●
Depending on the control mode, this item
●
can be set at the following speeds.
• Vehicle-to-vehicle distance control
mode: Approximately 30 km/h (20
mph) or more
• Constant speed control mode: Approxi-
mately 30 km/h (20 mph) or more
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.
Automatic cancelation of vehi-
■
cle-to-vehicle distance control mode
Vehicle-to-vehicle distance control mode is
automatically canceled in the following situ-
ations.
Actual vehicle speed falls below approxi-
●
� � � � � � � � � � � � � � � � �
4-5. Using the driving support systems
mately 25 km/h (16 mph).
VSC is activated.
●
TRC is activated for a period of time.
●
When the VSC or TRC system is turned
●
off.
The sensor cannot detect correctly
●
because it is covered in some way.
Pre-collision braking is activated.
●
If vehicle-to-vehicle distance control mode
is automatically canceled for any reasons
other than the above, there may be a mal-
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 16 km/h (10 mph) below
the set vehicle speed.
Actual vehicle speed falls below approxi-
●
mately 30 km/h (20 mph).
VSC is activated.
●
TRC is activated for a period of time.
●
When the VSC or TRC 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

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.288,527)
331
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