This is a really good question because it's one of the main problems that many people run into while choosing which electronic accessories to install in their vehicles. Before you purchase any car electronic accessory, you need to make sure that it is compatible with your specific make and vehicle model. Often times you can do this by visiting the manufacturers' website or by checking your driver's manual for more information. You can also ask store clerks where you purchase the item to see if they will be able to offer any assistance.