Audi A4 S4 B7 Hazard Warning Light Switch Button Unit 8E0941509

Audi A4 S4 B7 Hazard Warning Light Switch Button Unit is a factory control component from the Switches, control elements and ignition switches group, designed for installation in the front part of the cockpit. The original design ensures proper cooperation with the vehicle's electrical system and maintains consistent interior ergonomics. This is a practical solution for users who want to restore full functionality of the hazard warning light system in their Audi.

Specifications and technical data

• SKU: 8E0941509
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0941509
• Substitutable numbers: 8E0941509, 8E0 941 509
• Location on the vehicle: Front
• Category: Switches & Controls

Function and application in the control system

The hazard warning light switch is responsible for quick, clear activation of the warning signaling in the vehicle. This element is integrated into the center console panel in the front part of the cabin, which allows for intuitive operation in situations requiring an immediate reaction from the driver. Thanks to the preservation of factory geometry and mounting points, the button works with the original dashboard panel without the need for system modifications.

Proper operation of the switch is important not only for user comfort but also for safety – a functional element allows for correct signaling of an emergency stop, road obstructions, or vehicle towing. Using an original Audi solution reduces the risk of electrical and mechanical compatibility issues.

Compatibility with Audi A4 / S4 B7

The Audi A4 S4 B7 Hazard Warning Light Switch Button Unit has been designed specifically for the electrical architecture and cockpit layout of this generation. This means it fits the factory connector, has the appropriate operating characteristics, and matches the appearance of other control elements in the cabin. Installation in the front part of the vehicle is carried out in the place provided by the manufacturer, which facilitates service and reduces the time required for replacement.

For users who are upgrading or restoring the original state of the interior, using such an element allows for maintaining a uniform style and operational ergonomics. This is particularly important in the case of vehicles where compliance with factory specifications and predictable behavior of electrical systems are valued.

Characteristics of the used component

The offered hazard warning light switch is a used part, sourced from dismantling. Such components are often chosen by conscious users who are looking for original solutions within a reasonable budget. Unlike replacements of unknown origin, the factory element maintains proper operating parameters and fitment to the vehicle's installation.

When choosing a used switch, it is worth paying attention to the mechanical condition of the button, the tactile feel of the stroke, and the stability of the position lock. A properly selected element allows for restoring the predictable operation of the hazard warning light system and reduces the risk of incorrect signaling.

Benefits of using an original Audi switch

Using an original hazard warning light switch in an Audi A4 / S4 B7 brings several practical benefits:

• preservation of factory operational ergonomics in the front part of the cockpit,
• consistent appearance with other control elements,
• predictable cooperation with the vehicle's electrical system,
• reduced risk of installation problems thanks to factory mounting points.

For users who are planning a wider replacement of control elements in the cabin, choosing original solutions allows for maintaining a uniform standard of workmanship and functionality.

If you are planning a comprehensive repair or upgrade of the cockpit area and control panel in your Audi and need other elements from the same group, such as function buttons, light switches, or ignition switch components, check the available parts in the Audi switches, control elements and ignition switches category.

Safe selection of used electrical components

When purchasing used control components, it is worth following proven selection procedures, especially in the case of elements related to driving safety. The approach used when selecting other subassemblies, such as the braking system – verification of origin, technical condition, and compatibility with a specific model version – can be helpful.

If you want to organize the process of selecting used parts and learn practical tips on assessing their condition, check out the guide on our blog: Second-hand braking system: how to safely choose discs, calipers, and ABS?. The principles contained therein can largely also be applied when assessing other used electrical and control elements in your Audi.