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 DIAGNOSISELECTRICALGAUGESINFOTAINMENT SYSTEM -- MODEL 3CAR COMPUTERSIM CARD - CARD COMPUTER (ECALL) - REMOVE AND REPLACEREMOVE

2018 Tesla Model 3 Base

SIM Card - Card Computer (eCall) - Remove and Replace: Remove

2018 Tesla Model 3 BaseSECTION Remove

Disconnect 12V power. See 12V/LV POWER (DISCONNECT AND CONNECT) .
Remove the passenger footwell cover. See COVER - FOOTWELL - PASSENGER (LHD) (REMOVE AND REPLACE) .
Loosen for two revolutions the lower LH screw that attaches the car computer to the bracket.

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Remove and discard the screw that attaches the EMI shield to the bottom of the car computer.

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Lower the EMI shield.

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Use a mirror and tweezers to move the catch to the right, and release the SIM card from the slot in the car computer.

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Use the tweezers to remove the SIM card from the car computer.

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Destroy the SIM card by cutting the card in half through the center of the gold pads, and then cut each piece into half, resulting in 4 pieces.
CAUTION: It is mandatory to destroy the SIM card to protect user data.

RENDER: 1.0x

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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.