 Never, ever use your tongue to see if your car battery is good. Seriously, we mean it. This is Under the Hood. 866-594-4150. That's the number to reach us here at the Under the Hood Show. Don't forget, if you subscribe to our YouTube channel where you can watch the show, you also can sign up at the UnderTheHoodShow.com. Join the Hoodie Fan Club. You might win a hoodie.