Quote:
Originally Posted by opjose
About 40-55 minutes.
The car does not have to be running, but if the engine is off it may shut down after 10-15 minutes stopping the upload.
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I did this yesterday. Like you said, it took less than an hour. I upgraded to 2020 Maps following the guide below
My engine was not running and the car did not shut down. It was not even on accessory. Insert the key, Navi turns on, wait 30-45 secs, then insert the usb stick, enter code and wait.
To minimize battery drain, I turned all the interior lights and headlights off (0), disconnect my radar detector, and shut the glove box but left the passenger door open just in case. I could have dimmed the navi screen but did not think of it at that time.