“do you have to program anything? Is it accurate to go accross the USA”
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All You have to do is hook the plate on back and you need to update maps and away you go. Real Simple, but need computer to download and plug into the computer. Very easy to enter the address and whatever options you want. I Love it, better then my car navigation. I haven't had the back up sensor hooked up yet. Not in a hurry to hook up either, it was like a freebie bundle. I am very pleased with it. Don't know which vehicle I would be driving with the back up sensor is why I haven't done anything. You will be pleased though, nice big size. About driving, I drove in South Carolina and it was real accurate.
Sorry, there was a problem. Please try again later.I'm afraid that your question may be a little too vague to answer, but I will do my best. The nüvi 2798LMT comes preloaded with maps of North America and is accurate for travel across the United States, but you would have to enter a destination address to use it for routing. It's also recommended that you install the BC 20 Wireless Backup Camera (http://static.garmin.com/pumac/BC_20_Install_ML.pdf) and that you update the device software/internal maps using Garmin Express (http://j.mp/GRMNXP). For assistance with this, please reach out to Garmin Customer Care using the contact information listed here: http://j.mp/GRMNSupport. Thank you, and I apologize if I misunderstood the question that you're asking. (KS)
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