disconnect battery for 5 min then hook back up codes erased light will be off
If you are referring to the Check Engine light then the bulb is either blown or has been blacked out on the dash by a crook.
reset service engine light
How do I reset the service engine light on a 2003 Chevy Trailblazer?
reset service engine light on BMW 325
Take a look here askville.amazon.com/service-engine-light-wrong-saturn-Vue-2003/AnswerViewer.do?requestId=3645084
On a 2003 Lincoln Navigator : The check engine light / service engine soon light is a drawing of an engine located directly under the center of the tachometer
Service required is the oil change reminder. Service engine soon would be the check engine light.
The head lights have nothing to do with the check engine light.
get the engine serviced.
When service engine light is on on a 2003 Chevy Trailblazer, the problem could be a faulty thermostat, a circuit range performance problem, or any other problem.
Because your vehicle needs a certain service. That service will be listed in your owner's manual.
You need a scan tool to reset light after repairing the code.