Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTESLA2018MODEL 3 BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASELECTRICAL SYSTEM (2 OF 2) -- MODEL 3KEYLESS ENTRY AND SECURITYADDITIONAL KEY - PROGRAM (EXISTING KEY PRESENT)ADDING A PHONE KEY
2018 Tesla Model 3 Base
Adding a Phone Key
2018 Tesla Model 3 BaseSECTION Adding a Phone Key
NOTE:
To add a new phone key, Bluetooth must be enabled and the phone must have the Tesla mobile app installed and connected to the vehicle's Tesla account.
- While sitting in the vehicle, open the Tesla mobile app and select the appropriate vehicle (if there are multiple vehicles associated with the account), and then touch Phone Key > Start .
- Scan an already-authenticated key card or key fob on the key reader behind the cup holders on the top of the center console.
- When the mobile app indicates that the pairing was successful, touch Done . The key list on the touchscreen (Controls > Locks) displays the new phone key. The name of the phone key is determined by the name used in the phone's settings.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.