With an OBD2 scan tool.
You can reset the check engine light on a Toyota by removing the battery cables and touching them together. Other than that, you will have to take the car to a mechanic and have them run a scan tool to turn the light off.
Only the computer can tell what made your check engine light come on. It could be your battery. If your battery is bad, replace it and see if that solves the problem. If it does not, then you will have to connect your car to the computer and find out why the check engine light came on.
i just changed my batterys out on my truck now my check engine light is on?
To turn off the check engine light on a 1999 Toyota Camry you can disconnect the battery. This will only reset the check engine light. So if there is a persistant problem with the engine, the light is likely going to stay on. To turn off the check engine light on a 1999 Toyota Camry you can disconnect the battery. This will only reset the check engine light. So if there is a persistant problem with the engine, the light is likely going to stay on.
It is one of hundreds of things that could turn the check engine light on.
My check engine light came on because the terminals were not connected tightly. no. quite the contrary. if you have a "check engine" light on, disconnecting, or in this case replacing the battery will turn it off. you have a different problem.
One way to reset a 2005 Honda Element check engine light is to disconnect the battery. The battery will need to be disconnected for about 5 minutes for the light to reset.
Reset the Check Engine Light by disconnecting the battery for about 10 minutes.
your Alternator
One way to reset a Kia Rondo check engine light is to disconnect the battery for up to one minute. After the battery is reconnected, the check engine light should be off. If the light does not go off, there is a problem with the car and it will need to be checked out.
What year is your car? Did you mean the CHECK ENGINE light? The battery gauge?
Need to reset computer...