How do you get key code for radio of transit?

To obtain the key code for a radio in a Nissan Transit, you can check the owner's manual, as the code is often listed there. If you can't find it, contact a Nissan dealership with your vehicle's VIN, as they can provide the code based on that information. Alternatively, you may also find the code on a sticker located in the glove compartment or trunk. If all else fails, a professional car audio technician can assist in retrieving the code.