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.
2021 Tesla Model S Long RangeFACTORY OEM SERVICE PROCEDURE
Gateway Unlock: Unlock
- Enable Service Mode, if it is not already enabled. See Service Mode (Enable And Disable) .
- Place the vehicle key on the phone dock.
- Simultaneously hold down the brake pedal and the right turn signal button for 10 seconds.NOTE: During these 10 seconds, the bottom of the red Service Mode border on the touchscreen will display "GTW UNLOCKING".
- After 10 seconds, the message will change to "GTW UNLOCKED". The gateway will remain unlocked for 90 minutes.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.