Lexus GS430 User Manual page 107

How to check all the service reminder
indicators
(except the low fuel level warning light):
1. Apply the parking brake.
2. Open the door.
The following service reminder indicator should come on. It
goes off when you close the door completely.
3. Select the engine switch in "IG−ON" mode.
The following service reminder indicators should come on.
or
(red)
or
(yellow)
GAUGES, METERS AND SERVICE REMINDER INDICATORS
The following service reminder indicators go off after a few
seconds.
GS300 only—The above and following service reminder
indicators go off after a few seconds.
(yellow)
The following service reminder indicator goes off after about 6
seconds.
or
The lights other than the slip indicator light may stay on for
about 60 seconds after the engine is started. It is normal if they
go out after a while.
WG10
If any service reminder indicator or warning buzzer does not
function as described above, have it checked by your Lexus
dealer as soon as possible.
WG6 WG7 WG8
WG6 WG8 WG10
or
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