<h1>2012 Audi S4 Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important Notice:</b> The 2012 Audi S4 is not equipped with onboard programming capabilities for smart key remote fobs. All programming procedures must be completed using dealership-level diagnostic equipment operated by a trained automotive technician. </font></p> <p><font size="3"><b>Programming Procedure:</b></font></p> <ul> <li><font size="3"> Step 1: Turn off the ignition and ensure all vehicle doors are securely closed. </font></li> <li><font size="3">Step 2: Connect a certified diagnostic interface to the vehicle’s OBD-II port. This tool must support Audi’s immobilizer and keyless entry systems. </font></li> <li><font size="3">Step 3: The new smart key will be added to the vehicle's system using secured communication protocols. </font></li> <li><font size="3">Step 4: After successful programming, verify the remote functions: Lock and unlock doors Trunk access Push-button start (if equipped) </font></li> </ul> <p><font size="3"><b>Additional Considerations:</b></font></p> <p><font size="3"> A working key may be required to initiate the programming sequence. If the new key includes a mechanical blade, it must be cut to match your vehicle. Keys not present during programming may be removed from the system.</font></p>
