Dips the passenger side mirror downward when reversing to help you see curbs. (Requires memory mirrors hardware for perfect return tracking, but works on most trims). : 52 (Passenger Door Module) Coding : Long Coding → Byte 4 → Activate Bit 2 and Bit 3
Unlock the full potential of your Audi A4 B9 (2016–Present) by modifying its software modules. Audi builds identical hardware into many vehicles but disables specific features based on the trim level or region. Through On-Board Diagnostics (OBD) coding, you can activate hidden features, customize comfort settings, and alter visual interfaces without buying new hardware. ⚠️ Getting Started: Prerequisites and Safety
Turns off the orange corner lights on North American models for a cleaner Euro look .
Modifies the instrument cluster to display exactly which gear the automatic transmission is in (e.g., showing "D1" or "S3" instead of just "D" or "S"). 02 (Transmission) Long Coding: Byte 2 → Enable Bit 2 ( Gear Display ) 9. Enable Lap Timer and Oil Temperature
Hold the lock button on the fob to roll up windows and close the sunroof.
: Allows you to open or close all windows and the sunroof by holding the lock or unlock buttons on your remote. Scandinavian DRLs
Hook up a battery charger or keep the ignition on with a healthy battery. Voltage drops during coding can corrupt control modules.
Perform these steps with the ignition on, but the engine off .
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