1) Every customer is an "Internet Customer. With upwards of 90% of people car-shopping online, don't focus on the 10%. They're ALL educated on the Internet now.
2) The Internet isn't "going away"--either your business is going to absorb the Internet and all it means, or it is going to absorb your business and all it means. And YOU get to go away.
3) The Internet will amplify business-damaging negativity about dealerships all by itself, and the world will know all about it--and you cannot stop it from doing that. To have it amplify your dealership's positives to consumers far beyond those negatives, you must do work both creating lots of real positives and having the Internet present them to the world.
(from the dealership series "Shetterly's Three Laws of...")