Lexus IS F 2012 Owner's Manual page 467

Warning light
1
*
: Open door warning buzzer:
P. 477
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 inter-
mittently for 10 seconds after the vehicle reaches a speed of 12 mph (20 km/h).
Then, if the seat belt is still unfastened, the buzzer will sound in a different tone
for 20 more seconds.
Warning light/Details
Tire pressure warning light
When the light comes on:
Low tire inflation pressure
such as
• Natural causes (P. 468)
• Flat tire (P. 487)
When the light comes on after
blinking for 1 minute:
Malfunction in the tire pres-
sure warning system
(P. 469)
Master warning light
A buzzer sounds and the
warning light comes on and
flashes to indicate that the
master warning system has
detected a malfunction.
5-2. Steps to take in an emergency
Correction procedure
Adjust the tire inflation pres-
sure to the specified level.
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.
Have the system checked by
your Lexus dealer.
P. 473
5
467