For all those who have a factory fitted MIB1 and traffic sign recognition active and want to exchange MIB1 for MIB2/MIB2.5 (Amundsen or Columbus).   AFter replacement from MIB1 to MIB2/MIB2.5 car displays a message like "Traffic sign recognition works to a limited extent". The procedure to get rid of it and the correct operation of the whole system: 1. Firmware update 5Q0 980 653 F (0052) to version 5Q0 980 653 G (0060). You can do it with VCP or ODIS engineering but keep in mind it takes about