Specifications:
Support for all models for Mercedes-Benz 1998-2010
Support all models for BWM 1995-2010
Support the for Audi / for VW new smart key
For Benz car model:
Put Easy-Chcker on the EIS, put your IR key into EIS.
Light on and not off, then EIS and key all ok
Light on then off, then EIS ok,key not ok
Light on and not off but car still can not start, please check ESL Steering wheel lock and Key whether ok.
Light not on, then EIS not ok.
For BWW Car model EWS system:
Put Easy-Checker on EWS (no need insert key)
Light on means EWS ok (can used on:E46/E39/E53)
Insert Easy-Checker into EWS (insert key in)
Light on not off,then Key and EWS all ok
Light on then off, then EWS ok, key not ok
Light on and not off,but car still not start, please check whether key is ok
CAS System( for 1 series/3 series/ 5 series/7 series)
Put Easy-Checker directly on CAS and insert key in
Light on and not off, then CAS and key all ok
Liht on then off, then CAS OK but key not ok

For VW/ for AUDI Car model:
Smart Key slot-key
Put Easy-Checker directly on the EZS and insert key in
Light on and not off, then EZS and key ok
Light on then off, then EZS ok,key not ok

Package include:
1PCS x Easy-Checker