The Trouble with Blue Light:
you check the system for trouble codes.
The overdrive light will be off when the overdrive switch is pushed in. If the light flashes then that's a trouble shooting code.
The abs light stays on when the computer has detected a malfunction and set a trouble code.
normally disconnecting one of your battery terminals and reconnecting it will reset the trouble light.
The light comes on when the abs computer has detected a malfunction and set a trouble code.
The airbag light stays on when the computer has detected a malfunction and set a trouble code.
The engine light is on when the engine computer has detected a malfunction and set a trouble code.
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You will need to have the computer checked for codes. The light can not be "reset" until the cause of the trouble code has been repaired. When the cause has been repaired, the light will actually shut itself off.You will need to have the computer checked for codes. The light can not be "reset" until the cause of the trouble code has been repaired. When the cause has been repaired, the light will actually shut itself off.
There are at least 500 different trouble codes. You can't guess what's wrong. You have to have the trouble code read to find out. There's no single thing that will turn the light on.
The airbag light stays on when the computer detects a malfunction and stores a trouble code.