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Rds
Radio Data System (RDS) is a feature found in many new cars, and it has more to do with the radio portion of an in-car audio system. It is able to read a digitally encoded signal sent from various radio stations (not all stations in all cities offer the service) that can provide additional information through your car stereo's head unit. If you own a car where the radio shows the station name and/or song and artist title on a small screen, then you probably have RDS in your car. Other features include the ability to find radio stations by program type, along with traffic and weather monitors. Say you're away from home and nothing would make your day quite like a good country-and-western ballad. Simply choose "country" as a PTY (program type) and the radio automatically runs through the dial looking for country radio stations based on that code they're broadcasting. Also, you can select a button labeled "TA" or "TRAF" and the radio will automatically switch you to another station when a traffic report begins. In other cars, you may find a button with a WB (weather band) label that when pressed will take you to a current weather report.
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