2003 Mercury Mountaineer Owner Guide 1st Printing (Spanish) - Page 380

Locks and Security Programming spare keys You can program your own coded keys to your vehicle. Please read and understand the entire procedure before you begin. Tips: • A maximum of eight keys can be coded to your vehicle. • Only use Securilock௢ keys. • You must have two previously programmed coded keys (keys that already operate your vehicle's engine) and the new unprogrammed key(s) readily accessible. • If no previously programmed coded keys are available, you must take your vehicle to your dealer to have the spare key(s) programmed. 1. Insert a previously programmed 3 coded key into the ignition. 2 4 1 2. Turn the ignition from the 1 (LOCK) position to the 3 (ON) position. Keep the ignition in the 3 (ON) position for at least one second, but no more than 10 seconds. 3. Turn the ignition to the 1 (LOCK) position and remove the coded key from the ignition. 4. Within ten seconds, insert the second previously coded key into the ignition. 5. Turn the ignition from the 1 (LOCK) position to the 3 (ON) position. Keep the ignition in the 3 (ON) position for at least one second, but no more than 10 seconds. 6. Turn the ignition to the 1 (LOCK) position and remove the second previously programmed coded key from the ignition. 7. Within twenty seconds of removing the previously programmed coded key, insert the new unprogrammed key into the ignition. 8. Turn the ignition from the 1 (LOCK) position to the 3 (ON) position. Keep the ignition in the 3 (ON) position for at least one second but not more than 10 seconds. 93