Lexus UX 250h 2020 Owner's Manual page 250

248
4-5. Using the driving support systems
pedal.
Re-enabling the Parking Support Brake
■
To re-enable the Parking Support Brake
when it is disabled due to operation of the
Parking Support Brake, either enable the
system again (P.245), or turn the power
switch off and then back to ON. Addition-
ally, if the object becomes no longer in the
traveling direction of the vehicle or if the
traveling direction of the vehicle changes
(such as changing from moving forward to
backing up, or from backing up to moving
forward), the system will be re-enabled
automatically.
■ If "Parking Support Brake Unavailable"
is displayed on the multi-information
display and the PKSB OFF indicator is
flashing
If this message is displayed, a sensor on
●
the front or rear bumper may be dirty.
Clean the sensors and their surrounding
area on the bumpers.
Initialization may not have been per-
●
formed after a 12-volt battery terminal
was disconnected and reconnected. Ini-
tialize the system. (P.248)
If this message continues to be displayed
even after initialization, have the vehicle
inspected by your Lexus dealer.
If "Parking Support Brake Unavailable"
■
and "Parking Assist Unavailable Clean
Parking Assist Sensor" are displayed on
the multi-information display and the
PKSB OFF indicator is flashing
● A sensor may be covered with ice, snow,
dirt, etc. In this case, remove the ice,
snow, dirt, etc., from the sensor to return
the system 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 at your Lexus dealer.
● A sensor may be frozen. Once the ice
melts, the system will return to normal.
Water may be continuously flowing over
●
the sensor surface, such as in a heavy
rain. When the system determines that it
is normal, the system will return to nor-
mal.
If a 12-volt battery terminal has been
■
disconnected and reconnected
The system needs to be initialized. To initial-
ize the system, drive the vehicle straight
ahead for 5 seconds or more at a speed of
approximately 22 mph (35 km/h) or more.