OE Quality
60-Day Returns

Standard Ignition HZS279 Hazard Warning Switch
Reliable Hazard Warning Switch for Audi A4, A5, S4, and S5 Models
The Standard Ignition HZS279 hazard warning switch is designed specifically for select Audi vehicles, including the A4, A4 Quattro, A5, A5 Quattro, S4, and S5. This switch ensures proper operation of your vehicle's hazard lights, maintaining safety and compliance with road regulations.
- Connector Gender: Female for secure and proper connection
- Terminal Gender: Male terminals for reliable electrical contact
- Terminal Quantity: 6 terminals to support full switch functionality
- Terminal Type: Pin terminals designed for durability and consistent performance
- Includes 1 hazard warning switch per package
Detailed Product Description
The Standard Ignition HZS279 hazard warning switch is engineered to meet the electrical and mechanical specifications required by Audi A4, A4 Quattro, A5, A5 Quattro, S4, and S5 models. Featuring a female connector and six male pin terminals, this switch provides a secure and stable connection within the vehicle's electrical system. The pin-type terminals ensure consistent contact and reduce the risk of electrical faults, which is critical for the proper operation of hazard lights. This switch is a direct replacement part, designed to integrate seamlessly with the original wiring harness and mounting points.
Common Applications and Issues Addressed
- Restores functionality to non-responsive hazard warning lights
- Resolves intermittent or faulty hazard light activation
- Replaces damaged or worn switches due to wear and tear
- Fixes electrical connection issues caused by terminal corrosion or damage
- Ensures compliance with vehicle safety standards for emergency signaling
Installation Notes and Tips
- Verify vehicle compatibility with Audi A4, A4 Quattro, A5, A5 Quattro, S4, and S5 models before installation
- Disconnect the vehicle battery prior to switch replacement to prevent electrical shorts
- Carefully disconnect the female connector and remove the old switch from the mounting location
- Ensure all six male pin terminals align correctly with the vehicle wiring harness
- Test hazard light operation after installation to confirm proper function
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The HZS279 hazard warning switch undergoes rigorous quality control testing to maintain consistent electrical and mechanical integrity. Warranty coverage details are provided by Standard Ignition and typically cover defects in material and workmanship under normal use conditions.
| Brand | Standard Ignition |
| Part Number | HZS279 |
| Connector Gender | Female |
| Contents | 1 Switch |
| Terminal Gender | Male |
| Terminal Type | Pin |
This part fits 52 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2017 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2017 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2016 | Audi | A4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2016 | Audi | A4 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2016 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2016 | Audi | S4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2016 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2015 | Audi | A4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2015 | Audi | A4 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2015 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2015 | Audi | S4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2015 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2014 | Audi | A4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2014 | Audi | A4 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2014 | Audi | A5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2014 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2014 | Audi | S4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2014 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2013 | Audi | A4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2013 | Audi | A4 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2013 | Audi | A5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2013 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2013 | Audi | S4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2013 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2012 | Audi | A4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2012 | Audi | A4 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2012 | Audi | A5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2012 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2012 | Audi | S4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2012 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2011 | Audi | A4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2011 | Audi | A4 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2011 | Audi | A5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2011 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2011 | Audi | S4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2011 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2010 | Audi | A4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2010 | Audi | A4 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2010 | Audi | A5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2010 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2010 | Audi | S4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2010 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2009 | Audi | A4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2009 | Audi | A4 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2009 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2009 | Audi | S4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2009 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2008 | Audi | A4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2008 | Audi | A4 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2008 | Audi | A5 Quattro | N/A | w/ Passenger Air Bag Deactivation Light |
| 2008 | Audi | S4 | N/A | w/ Passenger Air Bag Deactivation Light |
| 2008 | Audi | S5 | N/A | w/ Passenger Air Bag Deactivation Light |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.