The oil life indicator isn't automatic, it has to be reset:
The vehicle must be stopped to reset the display.
If a required service is done and the display is not reset, or if the maintenance display is reset without doing the service, the system will not show the proper maintenance timing. This can lead to serious mechanical problems because there will be no accurate record of when the required maintenance is needed.
The engine oil life and maintenance item(s) can be reset independently only with the HDS.
Turn the ignition switch to ON (II).
If system message(s) are displayed, press the INFO switch to cancel the display.
Push and release the Select/Reset switch repeatedly until the engine oil life indicator is displayed.
Press and hold the Select/Reset switch for about 10 seconds, the ''MAINTENANCE RESET'' mode display appears.
If you are resetting the display when the engine oil life is more than 15 %, make sure any maintenance item(s) requiring service are done before resetting the display.
To cancel the ''MAINTENANCE RESET'' mode, press the INFO switch repeatedly until the ''CANCEL'' indicator is displayed, then press the Select/Reset switch.
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