Garmin update gnc355

[srober20]

How do you update database for GNC 355? Do you have to have a SD card reader? Which website do you create an account on?

 

[flyingron]

It will work in any SD reader that is supported on your machine. If you don't have one, they're available for less than $50.
The updates and the software to do the update are on the fly.garmin.co site.