Audi A3 8Y / Q4 e-tron Keyless Entry Comfort Access System Retrofit Kit
Compatible Vehicles
2021-2026 Audi A3 / S3 / RS3
2021-2026 Audi Q4 e-tron
Package Contents
2 × Antennas
1 × Comfort Access Control Module
1 × Wiring Harness
4 × Door Handle Sensors
(2 × Front door sensors + 2 × Rear door sensors)
Two versions of door handle sensors are available:
Aftermarket version
Genuine OEM version
Important Notes
For 2024 models, SFD2 access authorization may be required during coding.
All delivered hardware has been fully tested before shipment to ensure proper function.
Installation instructions can be provided during the installation process.
After installation, the vehicle requires programming/coding to activate the function.
Please contact your Volkswagen/Audi dealer or professional retrofit technician to obtain the required equipment, including:
ODIS/VAS 5054A/VAS 6154A/DOIP diagnostic interface/Compatible diagnostic software









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