Description
Audi Smart Key Fob
2008-2016Replace your lost or damaged remote with this premium 4-button smart key designed for Audi B8/B8.5 platforms. This high-security fob features the 4A transponder chip and operates on a 315 MHz frequency. This version is specifically for vehicles without Comfort Access (must be inserted into the dash slot to start).
Technical Specifications
| FCC ID | IYZFBSB802 |
| Transponder Chip | 4A Chip |
| Frequency | 315 MHz |
| Part Numbers | 8T0959754A, 8K0959754AB |
| System Type | Non-Comfort Access (Slot Start) |
| Emergency Key | Included (HU66 Profile) |
| Battery Type | CR2032 (Installed) |
Vehicle Compatibility
Compatible with Non-Prox / Slot-Start Audi models:
Common Questions (FAQ)
1. Will this work if I have Push-to-Start?
No. This key is for "Slot-Start" vehicles. If your Audi starts by pressing a button without inserting the key, you need the Comfort Access (Prox) version.
2. How is this programmed?
This high-security key requires professional programming by an automotive locksmith or dealer. Special diagnostic tools are required to sync the 4A chip with the BCM2 system.
3. Is the emergency blade cut?
No. The included HU66 emergency blade is blank and must be laser-cut by a professional to match your door lock.
Full Compatibility & Product Information
High-quality replacement for Audi PN 8T0959754A. This 4-button fob (Lock, Unlock, Trunk, Panic) provides OEM-level performance for 315MHz systems. Compatible with B8/B8.5 chassis models.
Keywords: Audi A4 smart key, IYZFBSB802 remote, 8T0959754A replacement, Audi Q5 key fob, 315MHz Audi key, HU66 emergency blade, CKS-AD-754A.
⚠️ Programming Requirement
This smart key requires professional registration. It is not self-programmable. The internal emergency blade must be cut by a professional locksmith. Always verify your Part Number matches 8T0959754A.