Lexus NX 300h 2020 Owner's Manual page 260

258
4-5. Using the driving support systems
• The wind is strong
• Ice, snow, dirt, etc., has adhered to the
sensor (if removed, the system returns to
normal)
• Heavy rain or water strikes the vehicle
• In severe weather such as fog, snow or a
sand storm
Influence from other sonic waves
●
• An ultrasonic wave source is nearby, such
as the horn or clearance sonar of another
vehicle, a vehicle detector, a motorcycle
engine or the air brake of a large vehicle
• Electronic components (such as a backlit
license plate (especially fluorescent
types), fog lights, a fender pole or a wire-
less antenna) are installed near the sen-
sors
● Changes in the vehicle
• The vehicle is tilted a large amount
• The height of the vehicle has drastically
changed due to the carried load (the
nose tilts up or down)
• The direction of the sensor has deviated
due to a collision or other impact
When "Parking Support Brake Unavail-
■
able" is displayed on the multi-informa-
tion display and the PKSB OFF indicator
flashes
● Ice, snow, dirt, etc., may have adhered to
the sensor. If this occurs, remove the ice,
snow, dirt, etc., from the sensor to return
the system to normal.
Also, a warning message may be dis-
played at low temperatures due to ice
forming on the sensor, and the sensor
may not detect static objects. Once the
ice melts, the system will return to normal.
● If this message is shown even after
removing dirt from the sensor, or shown
when the sensor was not dirty to begin
with, have the vehicle inspected by your
Lexus dealer.
● System initialization may not have been
performed after removal and installation
of the 12-volt battery. Perform system ini-
tialization.
When removing and installing the 12-
■
volt battery
The system needs to be initialized.
The system can be initialized by driving the
vehicle straight ahead for 5 seconds or
more at a speed of approximately 22 mph
(35 km/h) or higher.
When "Parking Support Brake Mal-
■
function Visit Your Dealer" is displayed
on the multi-information display, the
PKSB OFF indicator flashes and the
buzzer sounds
The system may not be operating properly.
Have the vehicle inspected by your Lexus
dealer.
WARNING
■ In order for the system to operate
properly
Make sure to observe the following pre-
cautions regarding the sensors
(P.250). Failure to observe these pre-
cautions may cause the sensors not to
operate properly, and may result in an
unexpected accident.
Do not perform work such as modifi-
●
cation, disassembly or painting
Only perform replacements using
●
genuine parts
Do not subject the area around the
●
sensors to any impacts
Do not damage the sensors, and
●
always keep them clean