Lexus RX 450h 2014 Owner's Manual page 739

5-2. Steps to take in an emergency
If the malfunction indicator lamp comes on while driving
■
First check the following:
Is the fuel tank empty?
●
If it is, fill the fuel tank immediately.
Is the fuel tank cap loose?
●
If it is, tighten it securely.
The lamp will go off after several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon
as possible.
SRS warning light
■
This warning light system monitors the airbag sensor assembly, front airbag sensors,
side and curtain shield airbag sensors, curtain shield and rear side airbag sensors,
door sensors, driver's seat position sensor, driver's seat belt buckle switch, front
passenger occupant classification system (ECU and sensors), "AIR BAG ON" indi-
cator light, "AIR BAG OFF" indicator light, front passenger's seat belt buckle
switch, seat belt pretensioner assemblies, inflators, interconnecting wiring and
power sources. (→P. 132)
Front passenger detection sensor, passenger 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 or the voltage temporarily
drops, the electric power steering system warning light may come on and the warn-
ing buzzer may sound.
When the tire pressure warning light comes on
■
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch will not turn off the tire pressure warning light.
738