@ana550

Look in folder /.System/Diag/html/supported_features.html

You will find there supported_features.html and inside is all future that you have enabled.

For all others Add empty UpdateDeviceConfig.xml in folder Garmin on nuvi and restart nuvi and turn it on.
Turn off nuvi and connect to PC and take a look in /.System/Diag/html/supported_features.html