How to Replace Tesla Headlight？

What's in this guide

• Tesla Headlight Repair vs. Replacement: Which Do You Need?
• Watch Our Installation Videos
• 1. Tools & Materials Required
• 2. Removal & Installation Steps for All Models
• 3. Headlight Types by Model
• 4. Model-Specific Replacement Details
• 5. Safety Precautions
• 6. Testing & Calibration After Replacement
• Shop Tesla Headlights

Tesla Headlight Repair vs. Replacement: Which Do You Need?

Not every headlight problem calls for a full replacement. Before you order a new assembly, it's worth figuring out whether your issue is one a Tesla headlight repair can fix, or whether the unit is truly done. Here's how to tell the difference.

When a Repair Is Usually Enough

• Hazy or yellowed lens: UV oxidation clouds the polycarbonate lens over time. A polish-and-reseal kit can restore clarity without a full headlight replacement.
• Loose or cracked mounting tab: minor housing damage around the mounting points can often be reinforced rather than replacing the whole assembly.
• Minor moisture fogging: a failed housing gasket can usually be resealed — see our dedicated Tesla Headlight Fogging & Water guide for the step-by-step repair.
• Flickering or dim adaptive/matrix beam: before assuming the LED module has failed, check that the connector is fully seated and run a software reset — this simple headlight repair step resolves many "failed" units.

When Replacement Is the Right Call

• Cracked or shattered housing: from a collision or road-debris impact — a sealed unit in this state cannot be safely repaired.
• Internal LED board failure: a burnt-out or corroded matrix LED board isn't a DIY-repairable component and calls for a full headlight replacement.
• Persistent moisture intrusion after resealing: if fogging returns after a repair attempt, the housing seal has likely failed for good and replacement is the more reliable long-term fix.
• Failed self-leveling or aiming motor: on Model S and Model X, a failed leveling motor is generally more cost-effective to address by replacing the full assembly.

Can I Just Replace the Tesla Headlight Bulb?

Many drivers search for a “Tesla headlight bulb” expecting a simple bulb swap. Here's the reality — and why this matters before you order any parts.

Why Most Teslas Don't Have a Replaceable Bulb

• All Tesla models use full LED headlight assemblies — there is no user-replaceable halogen or HID bulb inside the housing. The LEDs and control board are integrated into the sealed unit.
• If one LED element is out or flickering, the fix is rarely a “bulb replacement.” This usually points to an internal LED board failure, a failed driver module, or connector damage — all of which require the steps in this guide.

The Exception: Early Model S with HID Bulbs

• Certain 2012–2015 Model S vehicles were equipped with HID (xenon) headlights that did use a replaceable D3S bulb. If yours falls into this range and only the bulb is burned out — not the ballast or housing — a bulb-only replacement is possible.
• Even then, incorrect bulb installation can cause beam scatter, moisture ingress, or ballast damage, so it's worth verifying the failure before purchasing just a bulb.

! If you came here looking for a Tesla headlight bulb, start by confirming your model year and headlight type. For the vast majority of Tesla owners, what appears to be a “bulb” issue is actually an assembly-level repair — and the steps in this guide are what you need.

! Quick check: unplug and reseat the connector, then power-cycle the vehicle. If the problem persists, it's more likely a hardware failure that calls for replacement rather than repair.

The rest of this guide walks through a full Tesla headlight replacement — from tools to post-install calibration. If your issue is moisture-specific, our Tesla Headlight Fogging & Water guide covers that repair path separately.

1. Tools & Materials Required

Essential Tools

• T25 Torx socket (6-inch extension recommended)
• Torque screwdriver (0.8–2.0 Nm range)
• Cordless hex driver / electric screwdriver
• 6-inch 8mm deep magnetic socket
• Hex torque wrench (Tesla P/N 1060071-00-A)
• Cordless ratchet / impact drill
• 10mm deep socket
• Torque wrench with angle measurement
• Flat-head screwdriver
• Phillips screwdriver
• Plastic pry tool / trim removal tool
• Plastic tray or sealable bag (for fasteners)
• Clean microfiber cloth
• Glass cleaner
• Masking tape / painter's tape
• AP Ethernet cable (for software-linked procedures)

Preliminary Steps Before You Begin

1. Power off the vehicle completely and disconnect all charging cables.
2. Allow the vehicle to cool for at least 30 minutes to avoid heat-related risks or electrical short circuits.
3. Remove the headlight support bracket using the T25 Torx socket and torque screwdriver.
4. Remove the front fender liner using a cordless hex driver and the 6-inch 8mm deep magnetic socket.
5. Remove the front trim panel with a cordless ratchet / impact drill and the 10mm deep socket.
6. Remove the rear baffle of the front trunk (frunk) using a cordless ratchet / impact drill and 10mm deep socket.
7. Remove the frunk storage unit access panel using a cordless ratchet / impact drill and 10mm deep socket.
8. Remove the front trim panel (secondary) with a cordless ratchet / impact drill and 10mm deep socket.
9. Disconnect the electrical connector: carefully handle the red locking tab on the connector — do not press down; instead, pull it away from the connector until unlocked, then continue pulling to release the cable.

Important Safety Notes

! Always wear appropriate personal protective equipment (PPE) — safety glasses and gloves are essential.

! If you encounter any uncertainty or resistance during the process, consult your vehicle's service manual or contact a certified Tesla technician.

2. Removal & Installation Steps for Model 3, Model Y, Model S & Model X

General Procedure (Applies to All Models)

1. Remove the front bumper: Use a screwdriver to remove the screws securing the bumper, then gently pry the connection points between the bumper and body. Work slowly to avoid damaging plastic components.
2. Disconnect power: Before handling the headlight, disconnect the power by unplugging the headlight connector.
3. Remove the headlight assembly: For sealed units that require heating, use a heating box to soften the lamp adhesive before removal. Note: This step is only needed if you are opening the headlight housing itself; for full assembly replacement, skip the heating process.

Detailed Bumper Removal Checklist

• Remove the protective cover beneath the front bumper.
• Remove the eight plastic rivets securing the lower guard to the front spoiler.
• Remove the bumper panel screws at the front left/right fender attachment points.
• Disconnect the bumper harness connector and release the 3 clips securing the harness to the front bumper carrier.
• Remove the 2 bolts fixing the bumper to the body structure.

Installation (Reverse Sequence)

1. Install the new headlight assembly following the reverse order of removal. Ensure all screws, clips, and connectors are properly seated.
2. After installation, test the headlights to verify correct brightness, beam pattern, and directional aim.

3. Headlight Types for Model 3, Model Y, Model S & Model X

Tesla Model 3

• Headlights: All variants come standard with LED headlights featuring automatic high/low beam switching. Performance models (e.g., Model 3 Performance) and newer 2024+ "Highland" models are equipped with matrix LED headlights capable of projecting adaptive beam patterns.
• Fog lights: Select trims include LED fog lights with amber side-marker bars below the main headlight unit.

Tesla Model Y

• Headlights: The Performance variant and 2023+ models feature matrix LED headlights with multiple light sources arranged in a matrix for a straighter, wider, and brighter illumination pattern. Standard versions use reflector-style LED projectors.
• Fog lights: LED fog lights are included on select configurations.

Tesla Model S

• Headlights: Continuously evolved since 2012, the latest Model S (2021+ "Plaid" refresh) features adaptive LED headlights with dynamic cornering capability for improved nighttime visibility on winding roads.
• Fog lights: Available on select trims with automatic leveling adjustment.

Tesla Model X

• Headlights: Shares design DNA with Model S, supporting adaptive high/low beam regulation and dynamic steering-correlated aiming.
• Fog lights: Select configurations include LED fog lights with automatic adjustment.

4. Model-Specific Headlight Replacement Details

Tesla Model 3 & Model Y Headlight Replacement (Shared Platform)

• Prepare tools: T25 Torx socket, plastic pry tool, 10mm socket, flat-head & Phillips screwdrivers, sealable bag for fasteners, clean microfiber cloth, glass cleaner, masking tape, and AP Ethernet cable (if software reconfiguration is needed).
• Steps include: removing the plastic trim panels → removing the frunk rear baffle → removing the storage unit access panel and storage unit → removing the front trim panel → disconnecting the electrical connector → reinstalling the headlight → reconnecting the connector → installing the front trim panel → restoring all frunk components.

Tesla Model S & Model X (Shared Platform)

• Use tools with a torque specification of 5.9 Nm (4.4 lb-ft) for critical fasteners.
• Steps include: enabling Service Mode via the touchscreen → removing the frunk rear baffle → removing the maintenance panel and storage unit → removing the front trim panel → disconnecting the electrical connector → reinstalling the headlight → reconnecting the connector → installing the front trim panel → restoring all frunk components.

5. Safety Precautions for Tesla Headlight Replacement

Preparation

• Park the vehicle on a level surface in a safe, well-lit area. Power off completely and wait at least 30 minutes for the high-voltage battery to cool, minimizing the risk of overheating or electrical short circuits.
• Gather all required tools beforehand so you won't need to search mid-job.

Personal Safety

• Wear proper PPE — safety glasses to protect against debris and insulated gloves to guard against accidental electrical contact.
• Keep the work area clean and free of clutter to prevent foreign objects from entering the vehicle.

Removing the Old Headlight

1. Open the frunk hood and locate the headlight mounting points.
2. Remove the fixing screws and/or clips, then carefully extract the old headlight assembly.
3. Disconnect the power cable with care — do not yank; release the locking tab first.

Installing the New Headlight

1. Align the new headlight with the mounting position, ensuring a flush fit against the body.
2. Tighten screws evenly to the specified torque — avoid overtightening, which can crack housings or strip threads.
3. Reconnect the power plug securely and verify the connector clicks into place.

Final Checks

• After installation, power on the vehicle and check that brightness, beam cutoff, and aim angle are correct.
• Confirm all connection plugs are tight and making good contact.

Additional Reminders

• Do not leave the headlight housing open for extended periods — dust and moisture can enter and cause internal fogging or damage.
• Avoid touching the bulb or LED element glass directly with bare fingers; oils from skin can cause hot spots and premature failure.
• If you are not confident working with vehicle electrical systems, seek assistance from a qualified professional.

6. Headlight Aiming & Calibration After Replacement

1. Vehicle Positioning: Park the vehicle on level ground, perpendicular to a flat, matte-finish wall at least 1.8 meters (6 ft) tall and 3.7 meters (12 ft) wide. Inflate all tires to the recommended specifications before proceeding.
2. Wall Marking: Apply masking tape to the wall at 7.12 cm from the ground (for vehicle stop-position reference) and at 7.62 cm from the ground. Ensure the front trim panel is flush with the ground reference line when the vehicle is in position.
3. Laser Pointer Alignment: Attach a laser pointer aligned with the tape on the wall and project the laser dot to the vehicle's center point; mark this as the reference center. Apply additional tape strips 75 cm to the left and right of center as lateral reference points.
4. Activate Headlight Adjustment Mode: On the vehicle touchscreen, navigate to Controls → Service → Adjust Headlights to enter adjustment mode.
5. Beam Height Adjustment: Cover the right headlight with a clean cloth so only the left headlight is illuminated. Use the scroll wheel/button on the left side of the steering column (or on-screen controls) to adjust the beam until the horizontal cutoff of the left headlight aligns with the tape line on the wall. The left edge of the L-shaped beam pattern should align with the horizontal reference tape.
6. Switch & Repeat: Uncover the right headlight and cover the left, then repeat the adjustment process for the right side.
7. Exit Adjustment Mode: Exit headlight adjustment mode via the central display when both sides are properly aimed.
8. On-Road Auto-Calibration: The vehicle's camera-based auto-calibration typically completes after driving 32–40 kilometers (20–25 miles), depending on road conditions and ambient lighting. During this period, the system fine-tunes beam aiming automatically.

Calibration Precautions

! Wear appropriate PPE (gloves & safety glasses) during the calibration process.

! Ensure the vehicle is unoccupied during calibration to avoid affecting sensor readings and beam aim accuracy.