2000 Lexus LS400 service

GAUGES, METERS AND SERVICE REMINDER INDICATORS
77
In the following cases, the warning message
appears and the reminder light next to the warning
message and the ºVSC OFFº indicator light come
on. And the warning tone also sounds.
(a) After
the removal of the battery terminals (See ºInitial
adjustment of vehicle skid control systemº on page 318.)
(b) If the vehicle skid control system malfunctions
If the message appears, the brake assist system does
not work, however, there is no problem to continue your
driving. If the message appears for the cause of (b),
have your vehicle checked by Lexus dealer as soon as
possible.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
78
W49W49
In the following cases, the above message appears,
the reminder light comes on and the warning tone
sounds.
When the headlight switch is turned to the first or
second clickstop with one or more of tail light bulbs
burned out.
 When the brake pedal is held down with one or more
of stop light bulbs burned out.
Have defective bulbs replaced as soon as possible.
W50W50
When the engine oil level is too low, the above
message appears, the reminder light comes on and
the warning tone sounds.
Add oil as soon as possible. (For instructions, see
ºChecking the engine oil levelº on page 413.)
NOTICE
Continued engine operation with low engine oil will damage the engine.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
79
W51W51
When the fluid level in the tank becomes nearly
empty, the above message appears, the reminder
light comes on and the warning tone sounds.
Fill the tank as soon as possible.
W53W53
When there is a problem somewhere in the
automatic headlight leveling system, the above
message appears, the reminder light comes on and
the warning tone sounds.
If this message appears, have your vehicle checked by
your Lexus dealer.
INSTRUMENT PANEL LIGHTCONTROL
13L005
To adjust the brightness of the instrument panel
lights, turn the knob.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
80

COMFORT ADJUSTMENT
156
16L136±2
This indicator comes on when the ignition key is
turned to the ªACCº or ªONº position. It goes off
after about 6 seconds. This means the front seat
belt pretensioners are operating properly.
This warning light system monitors the airbag sensor
assembly, inflator, seat belt pretensioner assembly,
warning light, interconnecting wiring and power sources.
(For details, see ªService reminder indicators and
warning buzzersº on page 62.)

COMFORT ADJUSTMENT
160
16L241
This front seat belt pretensioner system has a service
reminder indicator to inform the driver of operating
problems. If any of the following conditions occurs, this
indicates a malfunction of the pretensioners. Contact
your Lexus dealer as soon as possible to service the
vehicle.
When the ignition key is turned to the ªACCº or ªONº
position, the light does not come on or flashes.
 The light flashes while driving.
 If either front seat belt does not retract or cannot be
pulled out due to a malfunction or activation of the
pretensioner.
 The front seat belt pretensioner assembly or
surrounding area has been damaged. 
The front parts of the vehicle (shaded in the
illustration) were involved in an accident that did not
cause the seat belt pretensioners to operate.
 The front seat belt pretensioner assembly is
scratched, cracked, or otherwise damaged.

COMFORT ADJUSTMENT
165
The indicator comes on when the ignition key is
turned to the ºACCº or ºONº position. It goes off
after
about 6 seconds. This means the SRS airbags
are operating properly.
The SRS warning light system monitors the airbag
sensor assembly, side airbag sensor assemblies,
inflators, warning light, interconnecting wiring and power
sources. (For details, see ºService reminder indicators
and warning buzzersº on page 62.)
16L029

COMFORT ADJUSTMENT
182
16L136-2
The SRS airbag system has an indicator to inform the
driver of operating problems. If either of the following
conditions occurs, this indicates a malfunction of the
airbags. Contact your Lexus dealer as soon as possible
to service the vehicle.
When the ignition key is turned to the ªACCº or ªONº
position, the light does not come on, stays on or
flashes.
 The light comes on or starts flashing while driving.
If the light stays on, it indicates that the driver and front
passenger airbags fail. If the light flashes, the side
airbags fail.