2024 Tesla Model S Bulb Size Guide

Quick reference

The 2024 Tesla Model S is a prime example of modern automotive lighting, relying almost exclusively on advanced LED technology for all its exterior and interior lighting functions. Unlike many traditional vehicles, you won't find traditional replaceable halogen bulbs for the headlights, fog lights, or even most interior lights. This guide will elaborate on the integrated LED systems and discuss the implications for owners.

From the distinctive "Matrix LED" headlights to the sleek LED strip taillights, every illumination point on the 2024 Model S is designed around durable, energy-efficient light-emitting diodes. This means that a "bulb size" as you'd find for a conventional halogen bulb simply doesn't apply. Instead, these are integrated LED modules or circuits that are designed to last the lifetime of the vehicle.

Headlights (Low Beam, High Beam, DRL)

The 2024 Model S features sophisticated LED headlights that combine low beam, high beam, and daytime running lights (DRL) into integrated units. These are not user-serviceable bulbs, but rather complex assemblies where the LEDs are factory-installed. The "Matrix LED" technology, standard on higher trims and available on others, offers advanced features like adaptive lighting and animated turn signals, further emphasizing the integrated nature of the lighting system. If there's an issue with the headlight unit, it typically requires replacing the entire assembly, not just a bulb.

Fog Lights

Like the headlights, the fog lights on the 2024 Model S are also integrated LED units. They are designed to provide optimal forward illumination in adverse weather conditions and are part of the vehicle's overall advanced lighting package.

Turn Signals (Front and Rear)

Both the front and rear turn signals utilize integrated LED technology. The front turn signals are often incorporated into the headlight assembly, sometimes offering dynamic or sequential patterns. The rear turn signals are part of the LED taillight assemblies, providing clear and immediate signaling.

Brake Lights and Tail Lights

The 2024 Model S utilizes striking LED taillight designs, where the brake lights and tail lights are seamlessly integrated. These LED strips and clusters are designed for longevity and instant illumination, a safety benefit that LEDs offer over traditional incandescent bulbs.

Reverse Lights

Reverse lights on the Model S are also LED and are typically integrated into the rear lighting clusters, providing bright, clear illumination when backing up.

License Plate Lights

For license plate illumination, small yet powerful LED modules are used. These are designed to provide even and consistent lighting for compliance and visibility.

Side Marker Lights

Integrated LED side marker lights contribute to the vehicle's visibility from different angles, enhancing safety.

Interior Dome/Map Lights

Inside the cabin, virtually all lighting, including dome lights, map lights, and ambient lighting, is handled by integrated LED units. These provide a premium feel and are designed for efficiency and durability.

LED vs Halogen Upgrade Considerations

Wit the 2024 Tesla Model S, the concept of "upgrading" from halogen to LED is largely moot, as the vehicle comes equipped with comprehensive LED lighting from the factory. There are no halogen bulbs to replace. The primary consideration for owners will be maintenance of these integrated LED systems. If any component of an LED assembly fails, it generally requires replacement of the entire unit (e.g., headlight assembly, taillight assembly), rather than a simple bulb swap. This is a characteristic feature of modern premium vehicles that rely on integrated LED technology.

How to Replace Each Bulb

As all lighting on the 2024 Tesla Model S is integrated LED, there are no user-serviceable "bulbs" to replace in the traditional sense for exterior or interior lighting. Repair or replacement of any lighting component typically requires specialized tools and knowledge, and often involves replacing an entire assembly rather than just a bulb. For example:

• Headlights/Fog Lights: If a headlight or fog light unit malfunctions, the entire assembly usually needs to be replaced. This is a more complex procedure than changing a bulb and should be performed by a qualified Tesla service center or a specialist familiar with Tesla vehicles.
• Taillights/Brake Lights/Turn Signals/Reverse Lights: Similar to the front, the rear lighting components are integrated LED units. Replacement means replacing the entire taillight assembly if a section or function fails.
• License Plate/Side Marker Lights: While smaller, these are still integrated LED modules. If failure occurs, the respective module or assembly would need to be replaced.
• Dome/Map Lights: Interior LEDs are typically integrated into the headliner or paneling. Accessing and replacing these usually involves removing interior trim pieces, which is best left to professionals to avoid damage.

Always consult your owner's manual or a certified Tesla service center for any lighting issues or concerns. Attempting to disassemble LED assemblies or force replacements can void warranties and may cause further damage.

Common Lighting Issues for this Generation

Owners of advanced vehicles like the 2024 Tesla Model S might experience different types of "lighting issues" compared to older vehicles with halogen bulbs:

• Software Glitches Affecting Lighting Functions: Given the high level of integration and software control in Tesla vehicles, lighting functions can sometimes be affected by software bugs or updates. This might manifest as erratic behavior, incorrect light patterns, or non-functional lights. Often, these can be resolved with a software reset or by a service center software diagnostic.
• Condensation in Light Assemblies: While not unique to Tesla, condensation can sometimes appear within sealed headlight or taillight units. Minor condensation often dissipates, but persistent or excessive moisture can indicate a seal issue and may require service.
• LED Module Failure: While LEDs are very durable, individual diodes or entire modules can fail. This would result in a section of a light not illuminating, such as a segment of a DRL strip or part of a taillight. As mentioned, this typically necessitates replacing the entire assembly.
• Damage to Integrated Assemblies: Due to their integrated nature, even minor impacts can sometimes damage complex LED headlight or taillight units, leading to costly replacements.

Find a trusted shop on Repairius.