Bumper to Bumper Radio, the car guys on KTAR, 92.3 FM in Phoenix, AZ, broadcast every Saturday from 11:00 am to noon. On this show, Dave Riccio of Tri-City

Transmission in Tempe, AZ talks about everything you need to know about car batteries. Special guests Glen Hayward of Good Works Auto Repair and car battery expert C. Michael Decker. Also on this show:

• Batteries are more important than they were years ago because we have more electronics.
• Buying a roadside battery from a towing company when you are stuck is a bad idea.
• Batteries in Arizona last about two years due to damage, not power.
• Can you clean your battery terminal with Coca Cola?
• Car batteries can blow up, so do-it-yourselfers need to be careful.
• 2005 Nissan Sentra. Check engine light is on. Code says second cylinder misfire.
• Do Smart Battery chargers help maintain and extend the life of a car battery?
• 2002 Buick Rendezvous with 160,000 miles. Transmission has been rebuilt. Every time I use cruise control, the engine downshifts by itself.
• 2006 Lexus IS350. Showing PO402 code. Replace oxygen sensors and it still has the error.
• 2007 Toyota Camry. Can I wash my engine with a hose and soap?
• What's the proper way to store a car battery in a car that is not being used.
• Always disconnect the negative battery cable first.
• 2002 PT Cruiser. Get a wobble on one of the wheels when going a certain speed.
• Can you use a battery charger on a car with two smaller series batteries?
• Do cigarette light battery chargers work?
• 2004 Saturn. High beam lights kept staying on until turn signal was off. Now car battery is dead.
• 2006 Chevrolet Duramax with 35,000 miles on it. Are dry cell batteries worth the price?

Cars talked about on this show are the 2005 Nissan Sentra, 2002 Buick Rendezvous, 2006 Lexus IS350, 2007 Toyota Camry, 2002 PT Cruiser, 2004 Saturn, and 2006 Chevrolet Duramax.