Lexus IS 300 2019, Owner'S Manual

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4-5. Using the driving support systems
IS350_300_GE
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If the PCS warning light flashes or illuminates and a warning message is displayed on
the multi-information display
The pre-collision system may be temporarily unavailable or there may be a malfunction
in the system.
●
In the following situations, the warning light will turn off, the message will disappear and
the system will become operational when normal operating conditions return:
• When the radar sensor or camera sensor or the area around either sensor is hot,
such as in the sun
• When the radar sensor or camera sensor or the area around either sensor is cold,
such as in an extremely cold environment
• When a front sensor is dirty or covered with snow, etc.
• When the part of the windshield in front of the camera sensor is fogged up or cov-
ered with condensation or ice (Defogging the windshield:

P. 486)
• If the camera sensor is obstructed, such as when the hood is open or a sticker is
attached to the windshield near the camera sensor
●
If the PCS warning light continues to flash or remains illuminated or the warning mes-
sage does not disappear even though the vehicle has returned to normal, the system
may be malfunctioning. Have the vehicle inspected by your Lexus dealer immediately.
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If VSC is disabled
●
If VSC is disabled (

P. 360), the pre-collision brake assist and pre-collision braking
functions are also disabled.
●
The PCS warning light will turn on and “VSC Turned Off Pre-Collision Brake System
Unavailable” will be displayed on the multi-information display.
IS350_IS300_OM_General_OM53F31E