<h1>2008 Audi S4 Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important Notice:</b> The 2008 Audi S4 does not offer onboard programming capabilities for smart key remote fobs. Programming requires professional diagnostic tools and must be performed by a qualified technician. </font></p> <p><font size="3"><b>Programming Procedure:</b> </font></p> <ul> <li><font size="3">Step 1: Ensure the vehicle is off and all doors are closed securely. </font></li> <li><font size="3">Step 2: A certified technician will connect the appropriate diagnostic equipment to the vehicle’s OBD-II port to initiate the programming process. </font></li> <li><font size="3">Step 3: The new remote fob will be registered to the vehicle’s immobilizer system through authorized software compatible with Audi systems. </font></li> <li><font size="3">Step 4: After programming, test all functions of the smart key fob, including lock/unlock, trunk release, and engine start if applicable. </font></li> </ul> <p><font size="3"><b>Additional Notes:</b> </font></p> <p><font size="3">The key blade must be precision-cut to match your vehicle’s ignition and door locks before programming. If all existing remotes are lost, additional verification procedures may be necessary to access the vehicle's security system.</font></p>
