Is your tire flat?  Engine making funny noises?  When can you fix it yourself and when should you take your car to an automotive repair shop?  P.K. Kelley from Lawson & Son Auto Repair is going to give you some tips on how to keep your car running smoothly, how to keep your costs down and what you should be looking for in a good mechanic.  Lawson & Son has been serving Nashville for nearly 80 years.