How to use a Tesla key card — and how to remove one

How do you use a Tesla key card?

Tap the card against the vehicle's exterior card reader to unlock, get in and close the door, then place the card flat on the reader in the center console — behind the cup holders on Model 3 and Model Y — and press the brake pedal to drive. Tesla's manual gives a two-minute authentication window after the card is read; wait longer than that and the card has to be presented again.

1. 01Tap the card on the exterior reader to unlockOn Model 3 and Model Y that reader is the driver's side door pillar, just behind the driver's door. On Model S, Model X, and Cybertruck the card is read at the wireless phone charger area instead. Hold the card flat against the spot rather than waving it past.
2. 02Get in and close the doorThe unlock and the drive authorization are two separate reads. Unlocking the car does not by itself let you drive it.
3. 03Place the card on the center console readerOn Model 3 and Model Y the interior reader is on the center console behind the cup holders. Lay the card flat on it rather than holding it above the surface.
4. 04Press the brake pedal within the two-minute windowTesla's manual describes a two-minute authentication period that starts when the card is read. Press the brake inside that window and the car is ready to drive. Wait longer and you have to present the card again.

Tesla’s Model 3 manual states the timing plainly: “The two-minute authentication period restarts and you can start Model 3 by pressing the brake pedal... If you wait longer than two minutes, you must press the unlock button again, or place the key card/fob near the card reader again to reauthenticate” (tesla.com/ownersmanual). In practice that window is generous enough that a card which fails to start the car is almost never a timing problem — it is a position problem, covered below.

Where do you tap a Tesla key card?

On Model 3 and Model Y the exterior reader is the driver's side door pillar, the B-pillar just behind the driver's door. On Model S, Model X, and Cybertruck the card is read at the wireless phone charger area, with the card held at the top of the left phone charger against the center divider. Most cards that appear dead are being tapped an inch or two off the reader.

• Tesla key card reader locations by model, for unlocking and for driving

• Model 3, Model Y

  Exterior reader (unlock)

  Driver's side door pillar, behind the driver's door

  Interior reader (drive)

  Center console, behind the cup holders

• Model S, Model X

  Exterior reader (unlock)

  Wireless phone charger area — card at the top of the left phone charger, against the center divider

  Interior reader (drive)

  Same wireless phone charger area

• Cybertruck

  Exterior reader (unlock)

  Wireless phone charger area

  Interior reader (drive)

  Same wireless phone charger area

Tesla’s own support page for vehicle keys carries the placement per model, and it is worth checking once rather than guessing at a counter with somebody’s car. The readers are small and unmarked, and a card held an inch off the right spot behaves identically to a card that was never added to the vehicle.

How do you lock a Tesla with the key card?

Close every door, then tap the card against the same exterior reader you used to unlock — the driver's side door pillar on Model 3 and Model Y. At that reader the card is a toggle: tap to unlock, tap again to lock. Nothing about the card distinguishes locking from unlocking, which is why a card left with a shop is a full drive credential rather than a door key.

This is the fact that reframes the whole key-card conversation for a shop. There is no lock-only card and no unlock-only card. The same tap that secures the car at the end of the day is the tap that opens it, and the same piece of plastic drives it. When a shop takes a card “just so we can move it inside,” what it has actually taken is unlimited drive access with no end date.

Why is my Tesla key card not working?

Work four causes in order. Position first, because the readers are small and most misses are an inch off the spot. Then whether the card was ever added as a key — a new or replacement card does nothing until someone adds it at the touchscreen under Controls then Locks. Then the 12V system, because a car with a dead or deeply discharged 12V battery cannot read a card at all. Then wear: a card carried loose in a wallet for years can stop reading, and the fix is a replacement added the same way.

• Position. Hold the card flat against the reader, not near it, and hold it there for a beat. On Model 3 and Model Y that is the driver's side pillar; on Model S, Model X, and Cybertruck it is the phone charger area. Most reported failures end here.
• Never added. A card straight from the box, or a replacement card, is inert until someone adds it at the touchscreen under Controls then Locks. Nothing about a new card looks different from a paired one.
• 12V power. A car with a dead or deeply discharged 12V battery cannot power its card readers. This is the failure mode that shows up after a long body-shop stay, and it usually announces itself in other ways first.
• Deep sleep. A car that has sat untouched for a long stretch can be slow to respond to the first tap. Tap again rather than assuming the card is dead.
• Wear. A card carried loose in a wallet or a pocket for years can stop reading. If a second card works on the same reader, the first card is the problem and a replacement is the fix.

How do you remove a key card from a Tesla?

At the car's own touchscreen: Controls, then Locks, then the trash icon next to the key you want gone. An already-authenticated key has to be present to make the change, so removal is a physical act performed inside the vehicle. It takes effect immediately and permanently — the removed card cannot be used on that car again unless somebody re-adds it from the same screen.

• ◐Up to 19 keys total per vehicle, of which no more than 4 are key fobs.
• ◐At most 3 Bluetooth key devices connected to the vehicle at one time.
• ✓Adding and removing keys happens at the touchscreen: Controls, then Locks, then the trash icon.
• ✓An authenticated key must be present in the car to make the change.
• ✕No remote wipe. No expiry date. No per-card scope or notification.

The removal is instant and total. Once a card is deleted it will not unlock or drive that car again, and no record of it stays behind. That is the good news and the bad news in one sentence: the deletion is real, and it is also the only mechanism that exists. Add and remove instructions are corroborated at Not a Tesla App.

How do you replace a lost Tesla key card?

Buy a replacement card from Tesla's shop, then add it at the car's touchscreen under Controls then Locks with an existing key present. Then delete the lost card from that same screen. A card that is missing but still on the key list is still a working drive credential, and there is no remote way to switch it off — the deletion is the only thing that ends its access.

Do the two steps in that order and do not skip the second one. Adding the replacement is the step people remember, because without it they cannot drive. Deleting the lost card is the step that actually changes the security of the vehicle, and nothing forces you to do it. A Tesla will happily hold 19 keys, most of them cards whose whereabouts nobody has thought about in a year.

What removing a card does not do

Deleting a card ends its access from that moment forward. It does not tell you anything about what happened before. A Tesla key card cannot be remote-wiped, carries no expiry, and leaves no per-card usage log — the vehicle does not publish a record of which of its keys unlocked or drove it. So a stack of identical white cards in a shop drawer is an anonymous credential: you can establish that the car moved, but not which card moved it.

That gap is the reason this site exists, and the full essay on what a key card means at a service counter is the longer version. The short version for an owner: leaving a card is normal and often the only practical option on a multi-day job. Forgetting to delete it at pickup is the mistake. The short version for a shop: one named custodian, one locked location, and a hand-back where the owner watches the card come off the Locks screen.