The 6404 car key is a remote control with two buttons. It is compatible with the Audi Cabriolet, Mazda 2 and Mitsubishi Colt.
- Type: Button key
- Buttons: 2
- Compatibility: Audi Cabriolet, Mazda 2, Mitsubishi Colt (Z30) 01.01.2005-31.12.2012, Mitsubishi Colt Cabriolet (Z30) 01.03.2006-31.07.2008