brake sensor Lexus GS F 2020 s User Guide

4517-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
7
When trouble arises
(If equipped)
Indicates that the dynamic radar cruise control system
cannot be used temporarily due to bad weather A buzzer also sounds.
 Use the radar cruise control system when it
becomes available again.
(If equipped)
Indicates that the radar cruise control system brake con-
trol function is temporarily unavailable
A buzzer also sounds.
 Depress the brake.
Indicates a malfunction in the smart access system with
push-button start
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur-
rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
 Clean the sensor and its surrounding area on the
bumper.
Warning messageDetails/Actions
(Flashes)

4527-2. Steps to take in an emergency
GS350_GS F_OM_OM30J07U_(U)
Indicates a malfunction in the cruise control system or
dynamic radar cruise control system (if equipped)
Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reactivate
the system.
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the dynamic radar cruise con-
trol with full-speed range
Depress the brake pedal.
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the LKA (Lane-Keeping
Assist) system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
(If equipped)
The operation conditions of the camera sensor (tem-
perature, etc.) are not met.
When the operation conditions of the camera sen-
sor (temperature, etc.) are met, the following sys-
tems will become available.
• PCS (Pre-Collision System)
• LKA (Lane-Keeping Assist) system
• Dynamic radar cruise control with full-speed range
•Automatic High Beam
Warning messageDetails/Actions
(Flashes)

576What to do if... (Troubleshooting)
GS350_GS F_OM_OM30J07U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (P. 437)
●The parking brake indicator is on
Is the parking brake released? ( P. 217)
Depending on the situation, other types of warning buzzer may also sound.
( P. 435, 442)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 79)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. ( P. 442)
●When a warning light turns on or a warning message is displayed, refer to
P. 435, 442.A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

588Alphabetical index
GS350_GS F_OM_OM30J07U_(U)
Outer foot lightsOuter foot lights ................................. 337
Replacing light bulbs ..........................421
Wattage ................................................. 528
Outside rear view mirrors .................. 177 Adjusting and folding......................... 177
Blind Spot Monitor........................... 286
Linked mirror function when reversing ..................................179
Mirror position memory .................. 166
Outside rear view mirror defoggers ............................ 324
Outside temperature display ...93, 100
Overheating, Engine ..........................509
Paddle shift switches ............................ 210
Parking assist sensors (intuitive parking assist)
*
Parking brake........................................... 217 If the parking brake cannot be released ....................... 500
Operation ................................................ 217
Parking brake engaged warning buzzer ............................... 442
Parking brake engaged warning message ........................... 442
Parking lights .......................................... 222 Light switch ........................................... 222
Replacing light bulbs ..........................421
Welcome light illumination control ......................... 144 PCS (Pre-Collision System).............245
Function .................................................. 245
Warning light ....................................... 436
Warning message............................. 442
Personal lights ....................................... 338
Power easy access system ................. 166
Pop-up display ................................. 111, 123
Power outlets ......................................... 348
Power steering (Electric Power Steering system)................................ 298 Warning light ....................................... 436
Warning message............................. 442
Power trunk opener and closer ....... 149
Power windows........................................ 181 Door lock linked window operation ...........................182
Jam protection function..................... 181
Operation................................................. 181
Window lock switch ........................... 181
Pre-Collision System (PCS).............245 Function .................................................. 245
Warning light ....................................... 436
Warning message............................. 442
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