Do a hard reset of the check-engine light by disconnecting the battery, turning on the car lights and pressing the horn. Wait a few minutes, and reconnect the battery. This causes the check-engine light to go out tempora... More »

To reset the check engine light on a Dodge, open the hood, disconnect the battery, turn all of the lights on, honk the horn to exhaust the residual power, and reconnect the battery. This 30-minute procedure requires the ... More »

To reset a check engine light on a Toyota Echo, a diagnostic machine must be connected to the car's computer and the codes must be reviewed and repaired. The check engine light on a Toyota Echo is used to notify the driv... More »

www.reference.com Vehicles Car Makes & Models

To reset the check engine light on a Dodge, open the hood, disconnect the battery, turn all of the lights on, honk the horn to exhaust the residual power, and reconnect the battery. This 30-minute procedure requires the ... More »

To reset the check-engine light in vehicles manufactured in and after 1996, use an OBD II code-scanning tool to clear the codes stored in the control module. Another option to reset the check-engine light is to disconnec... More »

www.reference.com Vehicles Car Parts & Maintenance Engine

Clear a check engine light by disconnecting the battery cables and turning on the headlights to drain all of the electricity from the system. This makes the vehicle's computer perform a hard reset and extinguishes the ch... More »

To reset a check engine light yourself, disconnect the car battery, then turn on the headlights for a few minutes to drain the remaining energy and cause a hard reset. Finally, reconnect the battery. More »