LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Tesla >> 2021 >> Model S Performance >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Electrical System (2 Of 2) -- Model 3) >> Keyless Entry and Security >> Additional Key - Program (Existing Key Present) >> Adding an Additional Key Card or Key Fob
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Adding an Additional Key Card or Key Fob

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2023 Tesla Model 3, 2022 Tesla Model 3, 2021 Tesla Model 3, 2020 Tesla Model 3, and 2019 Tesla Model 3. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If adding a key fob, make sure the key fob is at room temperature. Pairing may be unsuccessful if the key fob is cold.
  1. On the touchscreen, touch Controls > Locks  , and then touch in the "Keys" section.
  2. Scan the new key card or key fob on the key reader behind the cup holders on the top of the center console. After the new key card or key fob is recognized, remove it from the key reader.
  3. Scan an already-authenticated (i.e. already has access to the vehicle) key card or key fob on the key reader behind the cup holders on the top of the center console.
  4. When complete, the key list on the touchscreen displays the newly authenticated key.
    NOTE: You can customize the name of the key by touching the associated pencil icon.
  5. Tap the new key against the driver's side B-pillar applique to verify that the key locks and unlocks the vehicle.
  6. Place the new key onto the key reader behind the cup holders on top of the center console to verify it is authenticated and can start the vehicle.