Lexus CT200h Owner's Manual page 578

5-2. Steps to take in an emergency
1
*
:Open door warning buzzer:
P. 582
2
*
:Driver's and front passenger's seat belt buzzer:
The driver's and front passenger's seat belt buzzer sounds to alert the
driver and front passenger that his or her seat belt is not fastened. The
buzzer sounds for 30 seconds after the vehicle reaches a speed of 20 km/
h (12 mph). Then, if the seat belt is still unfastened, the buzzer will
sound in a different tone for 90 more seconds.

Front passenger detection sensor, seat belt reminder and warning buzzer

If luggage is placed on the front passenger seat, the front passenger
detection sensor may cause the warning light to flash and the warning
buzzer to sound even if a passenger is not sitting in the seat.

If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.

Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient of the voltage tempo-
rarily drops, the electric power steering system warning light may come on
and the warning buzzer may sound.
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