How to Program a 2003 Nissan Altima Keyless Entry Remote Key Fob

Description

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Step-by-Step Programming Instructions:

1. Begin by closing and locking all doors using the driver’s side power lock/unlock switch.
2. Insert the key into the ignition and remove it from the ignition key cylinder at least six times within 10 seconds. Successful completion of this step will cause your Hazard Lamps to flash. Note: Fully withdraw the key from the ignition cylinder each time. If this procedure is performed too quickly, the system will not enter programming mode.
3. Insert the key into the ignition cylinder and turn it to the ACC position.
4. Within 5 seconds, press ANY button on the remote transmitter. Your Hazard Lamps should flash. Note: Do not press the button more than once in this step. Pressing the button more than once will render the programming procedure unsuccessful.
5. If there are any remaining transmitters (including the old ones), unlock and then lock all doors using the driver’s side power lock/unlock switch. Within 5 seconds, press ANY button on the next remote. Your Hazard Lamps should flash. Repeat this step for each transmitter (including any existing transmitters).
6. Turn the key to the OFF position, remove the key from the ignition, and unlock the doors using the driver’s side power lock/unlock switch. Then, open the driver’s door.

to purchase Auto Keys, Fobs, Remotes, Shell/Cases & Related products for 2003 Nissan Altima