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 how the winter weather affects the performance of the transmission in your vehicle. Also on this show:

• Why your transmission runs differently due to contracted transmission fluids.
• Could you need more transmission fluid even if you don’t see a leak?
• Noises you may notice coming from your transmission shifting in the cold.
• What could happen to your car when it’s low on transmission fluid?
• How turning in your vehicle may give you an indication of transmission fluid problem.
• 2013 Toyota Sienna: What sort of maintenance do you recommend for the transmission in my van?
• 2004 Honda Accord: There’s a loud whining sound coming from my car. Do you think it’s related to the power steering?
• 2005 Dodge Dakota: I’ve noticed a buzz coming from under my dashboard after replacing my truck’s battery. What could be causing this?
• 2005 Chevrolet Astro Van: The check engine light in my vehicle is on and my vehicle is running very rough. Where should I start diagnosing the problem?
• 2004 Lexus LS440: The tire pressure light keeps coming on in my car even though the tires are properly inflated. What direction can you point me in?

Cars talked about on this show are the 2013 Toyota Sienna, 2004 Honda Accord, 2005 Dodge Dakota, 2005 Chevrolet Astro Van, and the 2004 Lexus LS440.