Are you certain it is indicating a malfunction, or is it simply a 'service reminder' that some type of scheduled maintenance is due at that interval? Check your owners' manual for further info, or bring it into a mechanical shop and have them download the trouble code from the OBD.
what causes the light to come on
go to the dealer thy can tel you for sure why it is on could be oxygn sensor failur very comon on civics if that is the model
where is the thermostat located on a 2003 toyota highlander
The 2003 Toyota Highlander has an inline 4 engine.
The 2003 Toyota Highlander is a gas-powered vehicle.
The 2003 Toyota Highlander has a 4-speed automatic.
The 2003 Toyota Highlander has a 27 degrees angle of approach.
The curb weight of the 2003 Toyota Highlander is 3485 lbs..
The maximum payload of the 2003 Toyota Highlander is 1500 lbs..
The 2003 Toyota Highlander runs on regular unleaded.
The 2003 Toyota Highlander is 15 ft. 4.4 in. (184.4 in.) long.
The 2003 Toyota Highlander has double overhead cam (DOHC).