There are tons of them, one of them being telematic insurance, the other being progressive insurance. There are others, but it depends on your area.
From the verizon web site, it shows that they do have data coverage in mexico. However it doesn't say whether or not it has GPS coverage. My recommendation is contact verizon.
One can purchase cheap auto GPS systems at auto parts stores such as Autozone, Napa and JC Whitney. An inexpensive GPS system may also be bought at Parts Geek, Rock Auto, Parts Train and Auto Parts Warehouse.
Auto GPS systems tend to have a larger screen, voice control and a larger base of data. They are designed solely for vehicle use, as opposed to the regular handheld units. http://www.consumersearch.com/auto-gps/review
This link covers the issues with phone tracking www.sat-gps-locate.com
You can purchase an auto GPS system from either your local electronics store or online. Generally buying online will give you a larger variety of GPS brands that are tailored to your needs.
According to my research the auto GPS navigation is very accurate. This is an article you may find interesting http://automobilegpsnavigation.co.cc/?tag=accuracy
GPS is a type of auto track device. The GPS tells various information such as vehicle location and speed. This is a standard feature in many new automobiles.
If you are really wondering what is the difference between self and navigator GPS because you need to buy a new GPS that is not expensive, then you should buy the auto GPS navigator.
Auto GPS navigation is not very expensive. Usually you can go by your local Walmart and purchase a GPS system for about $150.00. If you are looking for something more high end, it may be a little expensive but totally worth it in the end.
You can buy an auto GPS navigator from just about any major retailer (Target, Wal-Mart, Best Buy, Staples, etc.) or online vendor (amazon.com, ebay.com). You can find a good GPS starting at around $100.
As long as the GPS vehicle locator receives signal in Antarctica then it should function properly. You should check with the company that supplies the GPS signal and confirm they have coverage in Antarctica.
The auto GPS can be a real handy item to have when in a hurry to get somewhere. It can warn you of heavy traffic, toll booths and the cost, and tell you the easiest way to get to where you are going.