<h1>2016 Audi S4 Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important Notice:</b> The 2016 Audi S4 does not support onboard programming for smart key remote fobs. All key fob programming must be performed by a qualified technician using certified diagnostic tools. </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 all doors are closed. </font></li> <li><font size="3">Step 2: Connect an authorized diagnostic tool to the vehicle’s OBD-II port, typically located under the dashboard. </font></li> <li><font size="3">Step 3: Access the keyless entry or immobilizer module through the diagnostic interface. </font></li> <li><font size="3">Step 4: Follow on-screen prompts to initiate the key programming sequence. All smart keys to be programmed must be available, as keys not introduced during this session will be deactivated. </font></li> <li><font size="3">Step 5: When prompted, place the new smart key in the designated detection area—often located near the center console or beneath the armrest. </font></li> <li><font size="3">Step 6: Wait for the system to confirm successful recognition and programming of the new key. </font></li> <li><font size="3">Step 7: Test all key functions to confirm proper operation: Lock and unlock Trunk release Engine start with push-button (if applicable) </font></li> </ul> <p><font size="3"><b>Additional Considerations:</b></font></p> <p><font size="3"> The new smart key must be pre-cut to match the vehicle’s ignition system. An immobilizer security PIN may be required during programming. Professional tools ensure that programming is properly synced with the vehicle’s anti-theft system.</font></p>
