It' s recommended to replace this IR DIODE chip to support reading new CGDI MB keyless go keys quickly.
Notice:
1. Please be very careful when you replace the chip, Or you may make damage to device and have to ship back for repairing.
Actually device still works even you don' t change this chip. Check CGMB Infrared Diode Operation Instructions
2. This Diode is free of charge and $9.9 is only the shipping cost.
Package List:
3pcs x CGDI MB INFRARED DIODE Chip We are here for you: