Audi A4 S4 B8 A5 8T Hazard Warning Light Switch Button Unit 8K2941509

Audi A4 S4 B8 A5 8T Hazard Warning Light Switch Button Unit is an original component from the Switches, control elements and ignition locks group, designed for precise operation of the hazard light function in the cockpit. It offers a factory fit for the dashboard, maintaining stylistic and ergonomic consistency with other buttons in the cabin. This is a practical solution for repairing the lighting control system when the existing button is worn or damaged.

Specifications and technical data

• SKU: RHD-8K2941509
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K2941509
• Substitutable numbers: 8K2941509, 8K2 941 509
• Category: Switches & Controls

Purpose and function in the vehicle

The offered hazard warning light switch is dedicated to Audi A4 / S4 B8 generation and Audi A5 8T models, where it is responsible for quick and clear activation of hazard signaling. Located centrally in the center console, it provides the driver with convenient access to the warning function in emergency situations, which is important for both safety and compliance with traffic regulations.

Thanks to its factory design, the switch works with the vehicle's original electrical installation, which promotes stable operation of the lighting system and reduces the risk of errors in onboard systems.

Construction and fit for the Audi interior

The element was designed by the Audi brand with the intention of maintaining a consistent aesthetic of the center panel. The shape of the housing, the mounting method, and the geometry of the button are adapted to the factory cutout in the console, which allows for installation without modifications or additional adapters. This means that after installation, the button harmoniously fits into the dashboard line, without standing out from other control elements.

The original design of the switch also promotes proper routing of the electrical harness, which facilitates service and reduces the risk of wire damage during installation or removal.

Benefits of using the original switch

Using a factory hazard warning light switch in the Audi A4 / S4 B8 and A5 8T brings a number of practical advantages:

• reliable, repeatable operation of the hazard light function thanks to the fit with the vehicle's installation,
• maintaining the original look of the cockpit without visual compromises,
• easier diagnostics of potential lighting system faults thanks to the use of an element consistent with factory standards,
• reducing the risk of compatibility issues typical of low-quality replacements.

As a control element, the switch has a direct impact on the comfort of operating the vehicle – the clear tactile feedback of the button and its legible position in the console facilitate intuitive use in situations requiring a quick reaction.

Characteristics of the used product

The offered switch is a used part, sourced from dismantling, which allows combining factory build quality with a more favorable purchase cost compared to a new element. This type of solution is particularly attractive for maintenance repairs, where both compliance with the original and a rational approach to the service budget are important.

Choosing an original second-hand component also promotes maintaining the consistency of electrical parameters in the vehicle, which is important when working with control modules responsible for lighting and signaling.

Support with selection and additional information

If you are planning a comprehensive repair or upgrade of the lighting control zone in your Audi and need other elements from the same group, such as function buttons, control modules, or additional switches, check the available parts in the Audi switches, control elements and ignition locks category.

When making a decision about using components from dismantling, it is worth knowing the broader economic and technical context of such a solution – practical tips and examples of applications can be found in the article Used parts for Mercedes – original parts from dismantling, which discusses the advantages of choosing original components from the secondary market in the premium segment.