Honest mechanics will communicate clearly with you in words you can understand before, during and after the repair. Compare any scheduled repair with your owner's manual. Honest mechanics will give you written estimates including parts, labor, and other supplies.

To start the complaint process, go to the New Jersey Division of Consumer Affairs website. Select the type of complaint you want to file, such as against a business or to report unlicensed activity. Then, fill in the information about your complaint. You can also file a complaint via email.

Take a quick look around their shop and take note of tools laying around on shelves or the floor. A mechanic who is disorganized with his or her tools and equipment is bound to be disorganized with your car and other sensitive information, so steer clear. Shop around and ask for recommendations from trusted friends.