: To add more remotes, unlock and lock the doors using the driver-side switch, then press a button on the next remote.
: Within 5 seconds, press any button on the new remote once. The hazard lights should flash.
To program a remote key fob for a 2000 Nissan Maxima , you can use a manual sequence without any special tools. If you need to program the inside the key to start the engine, you will likely need a locksmith or dealer with a scan tool. Remote Fob Programming Steps