<h1>2017 Audi S4 Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important Notice:</b> The 2017 Audi S4 does not support onboard programming for smart key remote fobs. Programming must be performed by a qualified technician using factory-approved diagnostic equipment. </font></p> <p><font size="3"><b>Programming Procedure:</b> </font></p> <ul> <li><font size="3">Step 1: Ensure the vehicle is turned off and parked securely with all doors closed. </font></li> <li><font size="3">Step 2: Connect a certified diagnostic tool to the vehicle's OBD-II port, located beneath the dashboard on the driver's side. </font></li> <li><font size="3">Step 3: Using the diagnostic interface, navigate to the vehicle’s immobilizer or keyless entry module. </font></li> <li><font size="3">Step 4: Initiate the key programming procedure following the prompts provided by the diagnostic tool. You must have all keys to be programmed available during this session, as unprogrammed keys will be erased. </font></li> <li><font size="3">Step 5: When instructed, place the new smart key in the vehicle’s key detection zone—commonly located in the center console storage compartment or under the armrest. </font></li> <li><font size="3">Step 6: Wait for the system to acknowledge successful programming of the key. Confirmation will appear on the diagnostic display. </font></li> <li><font size="3">Step 7: Remove the key and test its functionality: Lock and unlock functions Trunk release Push-button engine start </font></li> </ul> <p><font size="3"><b>Additional Considerations:</b> </font></p> <p><font size="3">New smart keys must be properly cut and matched to the ignition before programming. A vehicle-specific security access code (PIN) may be required during the process. Ensure the technician performing the programming uses approved tools to avoid communication errors or system malfunctions.</font></p>
