Malfunction Indicator Lamp (Mil) - Chevrolet Tavera Owner's Manual

Malfunction indicator lamp (MIL)

The MIL illuminates briefly as you turn the ignition ON, before you start the
engine. This means that the indicator bulb is operating properly. The lamp should
go out after the engine is started.
MIL
The MIL will illuminate if a fault exists in the emission related components or
related sub systems.
MIL light will stay on as long as the Electronic Control Module (ECM) detects the
fault. Consult a CHEVROLET retailer to repair the problem as soon as possible.
CAUTION
Do not drive with the malfunction indicator lamp on.
The indicator lamp signals that your vehicle has problem that requires attention.
Driving with the malfunction indicator lamp on can damage the emissions control
system and can affect the fuel economy and driveability of your vehicle.
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