<h1>2007 Audi S4 Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important Notice:</b> The 2007 Audi S4 does not support onboard programming for smart key remote fobs. A specialized diagnostic tool is required to complete the pairing process. </font></p> <p><font size="3"><b>Programming Procedure:</b> </font></p> <ul> <li><font size="3">Step 1: Turn off the vehicle and ensure all doors are securely closed. </font></li> <li><font size="3">Step 2: A certified technician must connect advanced diagnostic equipment to the vehicle's onboard diagnostic system (OBD-II port) to begin programming. </font></li> <li><font size="3">Step 3: The new remote fob must be identified and linked to the vehicle's immobilizer system through software authorized for Audi models. </font></li> <li><font size="3">Step 4: Once the process is complete, verify that all remote functions are operational, including door lock/unlock and vehicle start features. </font></li> </ul> <p><font size="3"><b>Additional Notes:</b> </font></p> <p><font size="3">The mechanical portion of the key must be cut to match your vehicle’s ignition and doors. If no remotes are currently functional, additional steps may be required to access the vehicle’s security system during programming.</font></p>