New. Harness only. You’ll need the small blade tools or similar item to remove the button panel. No tools included. If you need instructions, message me for the install video. Installation takes 5 minutes.

From the Manufacturer:

Compatibility: Fits Audi A3, S3, and RS3 8V (2014–2023) Fits Audi Q3 F3 (2019–2023) Fits Audi Q2 (2017–2023)

Function: Disables the automatic engine start-stop feature to prevent issues such as accelerated spark plug wear, reduced battery life, and inconsistent air conditioning performance.

Features: Plug-and-play installation with no error codes. Once installed, the start-stop system is automatically disabled upon vehicle startup. Does not interfere with other vehicle functions.

Specifications: Material: ABS, metal Includes: Auto start-stop eliminator and two installation tools.