Lexus LC500 2017 Owner's Manual page 206

206
4-5. Using the driving support systems
mately 30 mph (50 km/h).
However, when a preceding vehicle is
detected, the dynamic radar cruise con-
trol with full-speed range can be set even
if the vehicle speed is below approxi-
mately 30 mph (50 km/h).
■ When the vehicle stops while follow-up
cruising
Pressing the +/RES switch while the vehi-
●
cle 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.
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 vehicle-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-
mately 25 mph (40 km/h) when there
are no vehicles ahead.
The preceding vehicle leaves the lane
●
when your vehicle is following at a vehicle
speed below approximately 25 mph (40
km/h). Otherwise, the sensor can not
properly detect the vehicle. ("CRUISE
NOT AVAILABLE No Preceding Vehi-
cles" is displayed on the multi-information
display.)
● VSC is activated.
● TRAC is activated for a period of time.
When the VSC or TRAC system is
●
turned off.
● When snow mode is set.
The sensor cannot detect correctly
●
because it is covered in some way.
LC500_LC500h_OM_OM11405U_(U)
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 other rea-
son, there may be a malfunction in the sys-
tem. 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 25 mph (40 km/h).
● VSC is activated.
TRAC is activated for a period of time.
●
● When the VSC or TRAC system is
turned off by pressing the VSC OFF
switch.
Pre-collision braking is activated.
●
If constant speed control mode is automati-
cally canceled for any other reason, there
may be a malfunction in the system. Con-
tact your Lexus dealer.
If "Radar Cruise Control Unavailable" is
■
shown on the multi-information display
The radar cruise control system cannot be
used temporarily. Use the system when it
becomes available again.
■ 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