Lexus RX 450h Owner's Manual page 260

258 4-2. Driving procedures
 When the shift lever is moved into P,
the parking brake will be set, and the
parking brake indicator light and
parking brake light turn on.
Operate the shift lever with the brake
pedal depressed.
Turns automatic mode off
■
While the vehicle is stopped, press and
hold the parking brake switch until
"Automatic Mode Off" will be dis-
played on the multi-information dis-
play.
Parking brake operation
■
When the power switch is not in ON
●
mode, the parking brake cannot be
released using the parking brake switch.
When the power switch is not in ON
●
mode, automatic mode (automatic brake
setting and releasing) is not available.
Parking brake automatic release func-
■
tion
The parking brake is automatically released
when slowly depress the accelerator pedal.
The parking brake will be released auto-
matically under the following conditions:
• The driver's door is closed.
• The driver's seatbelt is fastened.
• Shift the shift lever is in a forward or
reverse position.
• The malfunction indicator lamp or brake
system warning light is not illuminated.
� � � � � � � � � � � � � � � � �
If the automatic release function does not
operate, manually release the parking
brake.
If "Parking Brake Overheated Parking
■
Brake Unavailable" is displayed on the
multi-information display
If the parking brake is operated repeatedly
over a short period of time, the system may
restrict operation to prevent overheating. If
this happens, refrain from operating the
parking brake. Normal operation will return
after about 1 minute.
If "EPB Activation Stopped Incom-
■
pletely" or "Parking Brake Unavailable"
is displayed on the multi-information
display
Operate the parking brake switch. If the
message does not disappear after operat-
ing the switch several times, the system may
be malfunctioning. Have the vehicle
inspected by your Lexus dealer immedi-
ately.
Parking brake operation sound
■
When the parking brake operates, a motor
sound (whirring sound) may be heard. This
does not indicate a malfunction.
Parking brake indicator light and park-
■
ing brake light
Depending on the power switch mode,
●
the parking brake indicator light and
parking brake light will turn on and stay
on as described below:
ON mode: Comes on until the parking
brake is released.
Not in ON mode: Stays on for approxi-
mately 15 seconds.
When the power switch is turned off with
●
the parking brake set, the parking brake
indicator light and parking brake light will
stay on for about 15 seconds. This does
not indicate a malfunction.
Changing the mode
■
When changing the automatic mode on/off,
the message will be shown on the
multi-information display and the buzzer
sounds.