Toyota Grand Highlander 2024 Manual page 485

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 pas-
senger, and the warning light may
not operate properly.
■
SRS warning light
This warning light indicates prob-
lems with the following:
●
Airbag sensor assembly
●
Front impact sensors
●
Side impact sensors (front door)
●
Side impact sensors (front)
●
Side impact sensors (rear door)
●
Front passenger occupant classifi-
cation sensors
●
Driver's seat position sensor
●
Front passenger's seat belt buckle
switch
●
"AIR BAG ON" indicator light
●
"AIR BAG OFF" indicator light
●
Seat belt pretensioners
●
SRS airbags
●
SRS system related wiring har-
nesses and power sources
■
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 light will go off after several
driving trips.
If the light does not go off even after
several trips, contact your Toyota
dealer as soon as possible.
■
Electric power steering system
warning light (warning buzzer)
When the battery charge becomes
insufficient or the voltage temporar-
ily drops, the electric power steering
7-2. Steps to take in an emergency
system warning light may come on
and the warning buzzer may sound.
■
When the tire pressure warning
light comes on
Inspect the tires to check if a tire is
punctured.
If a tire is punctured: P.495
If none of the tires are punctured:
Turn the engine switch off then turn
it to ON. Check if the tire pressure
warning light comes on or blinks.
 If the tire pressure warning light
blinks for 1 minute then stays on
There may be a malfunction in the
tire pressure warning system. Have
the vehicle inspected by your Toyota
dealer immediately.
 If the tire pressure warning light
comes on
1
After the temperature of the tires
has lowered sufficiently, check
the inflation pressure of each tire
and adjust them to the specified
level.
2
If the warning light does not turn
off even after several minutes
have elapsed, check that the
inflation pressure of each tire is
at the specified level and perform
the tire inflation pressure setting
procedure.. (P.449)
If the warning light does not turn off
even after several minutes have
elapsed since performing the tire
inflation pressure setting proce-
dure, have the vehicle inspected by
your Toyota dealer immediately.
■
The tire pressure warning light
may come on due to natural
causes
The tire pressure warning light may
come on due to natural causes such
as natural air leaks and tire inflation
pressure changes caused by tem-
perature. In this case, adjusting the
tire inflation pressure will turn off the
warning light (after a few minutes).
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