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 - CAR COMPUTER - REMOVE AND REPLACEINSTALL
2018 Tesla Model 3 Base
SIM Card - Car Computer - Remove and Replace: Install
2018 Tesla Model 3 BaseSECTION Install
- Install the new SIM card into the car computer slot with the notch up and the gold pads facing away from the bulkhead.NOTE: If installing a non-Tesla SIM card, refer to Toolbox article 10088 for additional requirements. Additionally, customer must complete form SC-15-21-001.
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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.