CARS WITH AN AUDIO JACK:
What you need: Stereo converter from 3.5mm to 2.55mm
If your phone does not have a standard headphone jack (3.5mm) you will need to purchase a converter from 2.5mm to 3.5mm. A converter can be purchased online here, at Radio Shack or wherever audio cables are sold.
Additionally you will need a 3.5mm to 3.5mm cord. Plug one end into your phone (or converter) and the other one into your car. Press the AUX button on your stereo and enjoy!
CARS WITHOUT AN AUDIO JACK:
What you need: Mobile FM Transmitter
You can purchase a transmitter and follow the set-up instructions.
CARS WITH BLUETOOTH CONNECTION:
What you need: Smartphone with our app
Pair the device with the radio following the set-up instructions from the car's owners manual.