Lexus GS450h Owner's Manual page 233

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.
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.
Vehicles with towing package: In situations such as when parking while towing a trailer,
●
the maximum amount of braking force can be used by pressing the parking brake
switch with the parking brake already set.
Vehicles without towing package: In situations such as when parking on a steep slope
●
the maximum amount of braking force can be used by pressing the parking brake
switch with the parking brake already set.
*
: Use wheel chocks when parking on a steep slope.
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
■
Depending on the power switch mode, the parking brake indicator light will come on
●
and stay on as described below:
ON mode: Comes on until the parking brake is released.
Not in ON mode: Stays on for approximately 15 seconds.
When the power switch is turned off with the parking brake set, the parking brake indi-
●
cator light will stay on for about 15 seconds. This does not indicate a malfunction.
When there is a malfunction in the system
■
Warning lights and/or warning message will turn on or flash. (P. 462, 466)
Depending on the condition, the parking brake indicator light may flash.
Parking the vehicle
■
P. 200
Parking brake engaged warning buzzer
■
P. 472
Usage in winter time
■
P. 334
GS450h_300h_OM_OM30F92E_(EE)
4-2. Driving procedures
233
*
,
4