Tesla Model 3 Owners & Service Manuals

Tesla Model 3: Exterior Lights


 ECU - Headlight (Remove and Replace)

 ECU - Headlight - Remove

Remove Raise and support the vehicle. See Raise Vehicle - 2 Post Lift. Remove the rear underhood apron. See Underhood Apron - Rear (Remove and Replace). Remove the cabin intake duct. See Duct

 ECU - Headlight - Install

Install Connect the LH headlight ECU connector, and then position the ECU onto the headlight. Note: Position the seal to the headlight ECU, if necessary. Note: Align the electrical connector to t


 HV Battery (RWD) - Install

Install Perform step 11 through step 26 of the penthouse air leak test on the HV battery. See Penthouse Air Leak Test. Hand-tighten the adjustable elements (x4) on the penthouse cover counter-clockwise so that they are fully engaged. Caution: Hand-tighten only. Install a new HV batt

 How Airbags Work

Airbags inflate when sensors detect an impact that exceeds deployment thresholds. These thresholds are designed to predict the severity of a crash in time for the airbags to help protect the vehicle's occupants. Airbags inflate instantly with considerable force accompanied by a loud noise.

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