Tesla key fob, worth it?

Is it worth getting and using the Tesla Key Fob? Also some tips and tricks with the key fob you may not be aware of. Referral link. - Tesla are once again allowing us to have referral links. So if you buy anything a car or accessory from Tesla and use my link, then we both get some free credit from them. I would be most grateful if you could please use my code if you do decide to buy anything from Tesla, thanks. :) Link - https://ts.la/lirun505182