4. Do a tune-up two weeks before the smog test. Have any required maintenance performed well before the smog test, Mazor says. Most mechanics disconnect the battery while doing a tune-up and this resets the car's onboard computer.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  Barnes(ProperNoun) An English topographic surname for someone who owned, lived in, or worked in a barn. 2  Barnes(ProperNoun) An English habitational surname for someone from the place of the same name in Surrey.
Top definition. Grayson. A rare boy, with the ability to love with all his heart. He is sensitive, and he will give everything he has to the one he loves. He can be moody at times, and he doesn't like to open up unless he feels absolutely comfortable. He is citrus-scented. He is usually very athletic, but can get frustrated easily.