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Old July 12th 18, 05:34 PM posted to rec.autos.tech
Vic Smith
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Posts: 953
Default how does the map get into the radio?

On Wed, 11 Jul 2018 23:44:00 -0700 (PDT), dsi1 > wrote:

>On Tuesday, July 10, 2018 at 6:15:26 PM UTC-10, micky wrote:
>> In a new car radio with GPS, how does the map get into the radio? Does
>> it receive cellular data, wifi, or come already installed?
>>
>> What if you want to install the next year's version?
>>
>> My current 2005 toyota has a map on DVD, and it's not got all the roads,
>> even the ones that existed then. A repacement DVD is 90+ dollars!
>> but mine is good. OTOH, one for 2011 is only $20, but I'm guessing it
>> won't work right??? And I don't know if it has many more roads or not.
>> Maybe it only has more recent stores.
>>
>> And I don't see anything newer than 2011, so I figure they don't use
>> DVDs anymore. ??
>>
>> I don't need navigation, only occasionally to know where I am.
>>
>> If the GPS map on new radios isn't a lot better than what I have, I'd
>> rather save a couple hundred dollars and get a radio withou it.

>
>I'm surprised that they still make standalone GPS units. I use an app on my phone - Waze. The app gives real time updates on road/traffic conditions, estimated time of arrival, presence of road hazards, including police. In the future, all cars will be sending data back and forth to each other.
>


Some people (me for one) don't pay for a monthly cell phone plan. If I did, I would make
use of such an app.
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