The Aerpro CHAD4C Steering Wheel Control Interface allows you to upgrade to an aftermarket head unit while keeping your factory steering wheel controls. It's designed for Audi models with Concert, Symphony, or Chorus OEM head units and ISO connectors, and it supports OEM Bose and non-digital amplified systems.

The interface includes a vehicle-specific plug for easy installation without cutting factory wiring and is CANBUS compatible, providing outputs like Reverse Trigger, Park Brake, Speed Pulse, Illumination, and Amp Remote.

Kit Includes:

• Steering Wheel Control Interface Harness
• Vehicle-Specific Plug
• Instruction Manual

Features: 

• Allows you to upgrade to an aftermarket head unit whilst maintaining use of your factory steering wheel controls
• Increases driver safety by allowing you to keep your hands on the steering wheel and eyes on the road
• Supports OEM Phone Button when connected to compatible aftermarket bluetooth head units
• Compatible with OEM Bose & Half Amplified Systems (the aftermarket head unit requires front & rear RCA pre-outs)
• CAN-BUS integration compatible, no additional modules required for CAN-BUS vehicles
• Provides output feeds for reverse trigger, park brake, speed pulse, illumination and amp remote
• Fitted with a vehicle specific plug (ISO), no cutting of wires required
• Recommended to be installed with an Aerpro APP9 Head unit Secondary ISO Harness & SWC Patch Lead (sold separately)
• Requires SWC patch lead to provide compatibility with the aftermarket head unit (sold separately)\

To suit the following vehicle/make/model:

• Audi A4 2001-2008 (B6, B7) (Headunit Dependant)
• Audi A3 2003-2007 (8P) (Headunit Dependant)
• Audi A6 2002-2004 (C5) Facelift
• Audi TT 2000-2006
• Audi A3 2000-2003 (Headunit Dependant)
• Audi Allroad 2001-2006 (C5) (Headunit Dependant)

Note:

• Steering Wheel Control Interfaces vary between models, to find the correct part for your vehicle use the Aerpro Vehicle Selector.
• A Steering Wheel Control Patch Lead is required to be used in conjunction with this part to enable Steering Wheel Controls to function (sold separately).
• Aftermarket head unit must be SWC compatible and Steering Wheel Control Functions may vary from the OEM Functions.
• To maintain OEM Bose Amplified System, the aftermarket head unit requires front & rear RCA pre-outs

Part number: CHAD4C