I could not find much information regarding how to update my in dash maps. This page had the most useful information. Since I had success, I want to share it. Garmin page is Honda Navigation Map Update | Garmin Support.
Hope that takes you there. Here are my comments to Garmin regarding my...
Did an update to the Garmin maps yesterday - fairly quick process and just followed the directions here:
Use the USB port below the temperature controls.
While the instructions say it may take hours it did not. Initial process in the truck took a minute or so...
For those interested:
A new Garmin Express software update is available as of AUGUST 8, 2018 - V188.8.131.52 (Replaces previous update V184.108.40.206)
Download here: Current Version of Garmin Express
When they are made available the current version release notes can be found here...
:SOLD: I received a new GPS as a gift, and don't need 2. The C320 works well, no problems in the time I've had it. It will come with the car charger, suction mount, dash mount (rubber pad), and cd.
I'll take $50 including s/h if anyone's interested.
Figured I'd share. I made this custom vehicle last night for my Nuvi.
Here's a screenshot:
Here's the file you need:
Here are instructions on how to use it:
I make no promise this wont mess up your nav...