Check your owners manual. If you don't have one copy & paste this link. http://www.genuineservice.com/genuineservice/en/gloveboxresults
sound
A cell phone is a device that can let you call people or text through radio waves. And most now have apps, games, etc.
Radio wave + Computer
radio waves radiation
It depends what kind of phone you have, but usually yes
sound
Yes. A cell phone is basically a phone connected to two radios, One radio tuned to listen and one radio to transmit what you say.
Yes, you can buy a cell phone at Radio Shack. Radio Shack's selection on phones tends to be a bit smaller than some other stores, but they do sell them.
Motorola makes the best two way radio available on the market today. Incidentally, they also make the best cell phone with walkie-talkie capabilities. Although, there are many cell phone applications available now that allow any cell phone to become like a two way radio.
No, the radio waves are very weak in comparison to the ones of wifi and cell phones. The cars usually don't have that much range in distance between the controller and the car which is why it's rather weak.
yes from what i understand, using the radio antenna can mess up your radio and your cell phone
Yes, it is possible to unlock some cars using a cell phone through technologies like remote keyless entry systems or smartphone apps designed for that purpose.