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.
2018 Tesla Model X 100DFACTORY OEM SERVICE PROCEDURE
Gateway Unlock: Unlocking
- If Service Mode or Service Mode Plus is not yet enabled, enable Service Mode through the touchscreen. See Service Mode .NOTE: GTW LOCKED will be displayed on the instrument cluster and the MCU.
- Press and hold the brake pedal, and then push and hold the turn signal stalk fully up for at least ten seconds.NOTE: The instrument cluster and MCU briefly display GTW UNLOCKING. Once the gateway is unlocked, the instrument cluster and MCU will display GTW UNLOCKED and a countdown timer that indicates the remaining time in seconds for the gateway to be unlocked (max. 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.
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