1. Insert the key into the ignition and turn it to the "ON" position.
2. Within 10 seconds of turning the key to the "ON" position, press and hold the "UNLOCK" button on the remote transmitter for at least 2 seconds.
3. The headlights will flash once as confirmation that the alarm has been disarmed.
If your Eclipse didn't come with a remote transmitter for you can perform these alternative steps :
Alternative Steps
Insert the original vehicle key into the door or manually disarm the vehicle as you usually would.
Ensure both doors are opened within 20 seconds
Turn the vehicles' Ignition Switch ON within three seconds for an alarm reset.