Lexus 2016 IS 200t Service Manual page 478

478
8-2. Steps to take in an emergency
Warning light
Tire pressure warning light
 Adjust the tire inflation pressure to the specified level.
 Have the system checked by your Lexus dealer.
*
1
: Parking brake engaged warning buzzer:
P. 485
*
2
: Open door warning buzzer:
P. 484
*
3
: Driver' s seat belt buzzer:
The driver' s seat belt buzzer sounds to alert the driver that his or her seat belt is not
fastened. Once the engine switch is turned to IGNITION ON mode, the buzzer
sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer
sounds once. If the seat belt is still unfastened after 24 seconds, the buzzer will sound
intermittently for 10 seconds. Then, if the seat belt is still unfastened, the buzzer will
sound in a different tone for 20 more seconds.
Front passenger' s seat belt buzzer:
The front passenger' s seat belt buzzer sounds to alert the front passenger that his or
her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed of
12 mph (20 km/h). If the seat belt is still unfastened after 24 seconds, the buzzer will
sound intermittently for 10 seconds. Then, if the seat belt is still unfastened, the buzzer
will sound in a different tone for 20 more seconds.
IS350/300/200t_U (OM53D18U)
Warning light/Details/Actions
When the light comes on:
Low tire inflation pressure such as
• Natural causes (P. 479)
• Flat tire (P. 496)
The light will turn off after a few minutes. In case the light does
not turn off even if the tire inflation pressure is adjusted, have the
system checked by your Lexus dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system