Toyota HILUX Owner's Manual page 84

* 1
: These lights turn on when the engine switch is turned to the "ON" position
to indicate that a system check is being performed. They will turn off after
the engine is started, or after a few seconds. There may be a malfunction
in a system if a light does not come on, or if the lights do not turn off. Have
the vehicle inspected by your Toyota dealer.
* 2
: The light flashes to indicate a malfunction.
2. Instrument cluster
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