Quick answer

Enable Bluetooth, location and Mobile Access, sign in to the Tesla app near the car, choose Set Up Phone Key and complete the prompts.

Before you start

Check that your vehicle has it.

Availability

Verified for the 2026 U.S.-market Model 3 with a compatible Bluetooth phone and authorized Tesla account.

Compatibility check

Does the documented scope match your car?

This check combines the verified year, any source-supported powertrain scope, source-named trim/package and required equipment. It does not read a VIN or factory build record.

Can you see the required control, menu or equipment on your vehicle?
Published availability and qualifications

Verified for the 2026 U.S.-market Model 3 with a compatible Bluetooth phone and authorized Tesla account.

  • 2026 Model 3 with compatible phone and Tesla mobile app
Visual orientation

Know what kind of control to look for.

This original category diagram is an orientation aid, not a picture of your exact trim. Use the written labels and your vehicle manual to identify the real control.

Key fob & access orientation diagram for Tesla Model 3
Key fob & access orientationOriginal visual guide · controls vary by trim · not to scale
How to use it

Step by step.

  1. 01

    Enable Bluetooth and location access for the Tesla mobile app and keep the app allowed to run in the background.

  2. 02

    On the vehicle touchscreen, confirm Controls > Safety > Allow Mobile Access is enabled.

  3. 03

    Sign in to the Tesla app while inside or near the vehicle.

  4. 04

    Touch Set Up Phone Key on the app home screen, or open Security > Set Up Phone Key.

  5. 05

    Follow the app and touchscreen prompts, then verify the phone appears under Controls > Locks.

!

Important limits

  • Keep a key card available as a backup.
  • A phone left inside with Bluetooth enabled can be detected as a key.
  • Bluetooth behavior can change when a phone enters battery-saving mode.
If it does not work

Quick checks.

  • ✓Confirm Bluetooth, location and Mobile Access permissions if pairing stalls.
  • ✓Move other connected phone keys away if the connection limit is reached.
  • ✓Remove and re-add the phone under Controls > Locks if authentication remains unreliable.
Owner feedback

What happened on your vehicle?

Your response is stored on this device. If you separately allow analytics, a non-account-linked guide/result event may also be measured. No VIN or personal information is requested.

Primary evidence

Tesla Model 3 Owner's Manual — Keys

We use the written official source to determine the steps and applicability shown above.

Open official source ↗
Editorial record

Reviewed with a visible trail.

Scope and steps were checked by Car Cheat Codes Editorial Review. A guide is narrowed or corrected when the source does not support a broader claim.

Published
Last modified
Source checked
Guide change history
  • Initial verified publication.