Mechanic Patrice Banks tests the 'GMA' anchors' auto knowledge

Banks also discusses her new book, "Girls Auto Clinic Glove Box Guide."
4:09 | 09/22/17

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Transcript for Mechanic Patrice Banks tests the 'GMA' anchors' auto knowledge
David. If you know nothing about cars, this segment is going to be for you. It's going to be a lot of fun watching Lara compete against Michael too. Patrice banks used to be an auto airhead. You called yourself that. She decided to take control and make it her mission to help educate herself and others part of her new book called "Girls auto clinic glove box guide" and she's sharing with us her best T tips. You're an engineer and now you opened up an auto garage. With a nail salon to get your hands and hair done while you wait. All female mechanics. Well, like you said I was an auto airhead and hated all my automotive experiences and felt taken advantage of and needed a guy to help me so I started looking for me male resources online and went back to school to be an auto mechanic and started this to educate females. How many do you have now. Four. Four. There you go. Wait. Are guys allowed to show up there Jo. About 25% of her customers are men. We would love to see you, Michael. They'll charge you extra. All right. About time. About time. All right. So let's get to this. Yeah. Wait. Can Michael have that gentleman with the hat be his cheerleader? Get a pom-pom. There you go. That's great. The first question, here we go, the first question and this is multiple choice but before you -- before I give you choices, a, B or C. Halfway there. A very common auto sound, very common auto sound. Let's take a listen. Oh, yeah, oh, yeah. Was that a, the brake, B, the air conditioner fan or C, the drive belt and pulp ey. Write down a, B or C. Time is on the clock. What was B? Can you -- I'll give it to you one more time. Was that a, the brake, B, the air conditioner fan or, C, the drive belt and pulp ey. I think what you write down first -- Here you go. Lara, show your answer. Lara says it was "C." Michael, what did you say? Michael said "C." Yeah, "C" was the answer. You hear this when starting the car you'll hear a serpentine valve or pulp ey attached to the alternator looking for these cracks on the bell and you'll hear that high chirping noise. Second one, true or false, very simple. Just write down true or false. Here we go. Should you rotate your tires every year? Ooh. True or false? Michael, we'll start with you. Bam. Michael says true. Lara says true. Oh, my gosh. So a lot of people -- We got two right -- A lot of people don't know when you're braking the weight of the car shifts forward including that heavy engine and transmission. For that reason your tires wear more in the front than they do in the rear and rotate the tonight to the back and back to front. Every other year -- 30 seconds left. One question, tied up. Look at these symbols. Look at these symbols. On the left and on the right. What do you do when you see the one on the left what do you do and on the right what do you do? Oh, man. That's a good one. And other one -- Michael, what do you do with the first symbol. The first symbol on the left you check your oil and tn the other one you check your engine. Okay. So not really -- not really. The oil change, the one on the left is your oil pressure is low and red light which means stop. That's a hazard. The one on the right is check enjean light is Orange and means don't panic but check -- "Girls auto clinic glove box guide" out now.

This transcript has been automatically generated and may not be 100% accurate.

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