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Mostly people use the app instead of the card, but one still must keep track of which card is which.Do you even need to? Can't they both just stay in your wallet so that you're covered no matter which 3 you're driving? Would they interfere with each other?
Well now that I think about it it's just an RFID card. Can a single card be paired with two Model 3's? I recently got an extra two key cards for my Model 3 so I could have one at home as a backup in case one of the ones my wife and I have got lost. Maybe the service center could program in the key cards for both of your Model 3's so that way all of the key cards you have will work on either car?
Can a single fob be enabled with multiple cars?
Wouldn't it be easier to add both keys to both cars?
Great suggestion. I'll throw out that curveball at at the delivery next week.
Many people have reported that the keycards work just fine through a wallet, so that shouldn't be an issue at all. Assuming they are touching their wallet to the pillar....to the person asking why you couldn't just keep both in your wallet, keep in mind that keycard's don't work like Model S/X fobs... you need to tap the right card to the right spot in the b-pillar... so i doubt you could do that through your wallet with multiple cards.
Many people have reported that the keycards work just fine through a wallet, so that shouldn't be an issue at all. Assuming they are touching their wallet to the pillar.
You could probably take them to the service center and get all 4 cards working for both cars.
one card each coded only for that car (lives in car for valet).