Dynamic Radar Cruise Control With Full-Speed Range - Lexus RX 450h Owner's Manual

low the appropriate troubleshooting proce-
dure. Also, if a different warning message is
displayed, follow the instructions displayed
on the screen.
"Lane Departure Alert Malfunction Visit
●
Your Dealer"
The system may not be operating properly.
Have the vehicle inspected by your Lexus
dealer.
"Lane Departure Alert Unavailable"
●
The system is temporarily canceled due to
a malfunction in a sensor other than the
front camera. Turn the LDA system off, wait
for a little while, and then turn the LDA sys-
tem back on.
"Lane Departure Alert Unavailable at
●
Current Speed"
The function cannot be used as the vehicle
speed exceeds the LDA operation range.
Drive slower.
"Lane Departure Alert Unavailable
●
Below Approx 50km/h"
The LDA system cannot be used as the
vehicle speed is less than approximately
50 km/h (32 mph). Drive the vehicle at
approximately 50 km/h (32 mph) or
more.
Customization
■
Function settings can be changed.
(Customizable features:P.574)
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4-5. Using the driving support systems
Dynamic radar cruise con-
trol with full-speed range
*
: If equipped
In vehicle-to-vehicle distance con-
trol mode, the vehicle automati-
cally accelerates, decelerates and
stops to match the speed changes
of the preceding vehicle even if the
accelerator pedal is not depressed.
In constant speed control mode,
the vehicle runs at a fixed speed.
Use the dynamic radar cruise con-
trol with full-speed range on free-
ways and highways.
 Vehicle-to-vehicle distance con-
trol mode (P.318)
 Constant speed control mode
(P.322)
System Components
Vehicle-to-vehicle distance switch
A
Multi-information display
B
315
*
4