Audi Tt A2 A3 A4 A6 Remote Key Case & Blade 3 Button HU66 CR2032 Battery is listed as an auto-part option. Confirm fitment, part number and compatibility before purchase, especially where vehicle-specific matching is required.
this part is designed as a replacement for the remote key used in various Audi models including Tt A2, A3, A4, and A6. This unit includes the key case, blade, and three-button remote with an HU66 key blade type. It also comes equipped with a CR2032 battery to power the remote functions.
The remote key case protects the internal electronics and buttons, allowing reliable operation for locking, unlocking, and panic functions. The HU66 blade is the physical key portion cut to match your vehicle’s locks, so ensure your original blade type corresponds when selecting this part. The CR2032 battery included keeps the remote powered and responsive, so replacing an old or dead battery is straightforward with this package.
This part is suitable for users needing a functional remote key replacement for compatible Audi vehicles. When considering this replacement, confirm the button layout matches your original, and the key blade type (HU66) corresponds with your vehicle’s requirements. If you are unsure about fitment or key cutting service, it’s recommended to consult your locksmith or Audi dealer.
- Includes remote key case, HU66 blade, three-button remote, and CR2032 battery
- Compatible with Audi Tt A2, A3, A4, and A6 models
- Replacement for worn or damaged remote key units
Need help matching this item to your vehicle? Use more Battery, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

