When you have one of those breathalyzers on your car, you have to take it in and have it calibrated each month and they read the machine at that time to see how you've done. If it doesn't add up, or if there is little to read, they are going to wonder how he's been getting around if he isn't driving that car regularly. There is no way a reputable attorney would advise a client to do something illegal. They could be disbarred. Something isn't ringing true here.