Having problems with your 2003 Mitsubishi Lancer ?
How to program a remote key - 2003 Mitsubishi Lancer
Not specific you the Lancer... but the typical method of synching the remote to the vehicle is to hold down the lock and unlock button for a period of 5-8 seconds. The car will beep once... the remote is synched.
Repair Help & Product Troubleshooting for 2003 Mitsubishi Lancer
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