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, Matt Allen of Virginia Auto Service in Phoenix, AZ talks about changes you may notice in your vehicle this winter. Also on this show:

• Why TPS warning lights are common this time of year.
• Should you always inflate your tires to the recommended pressure?
• Information about tire pressure sensors and when to replace them.
• 2007 GMC Sierra: How difficult is it to replace a relay bank?
• Mazda Miata: What could be causing a knocking noise around 60 mph?
• 2017 Toyota Corolla: How often should I be changing my radiator fluid?
• 2010 Lexus EX350: Will my heated seats still function with a seat cover?

Cars talked about on this show are the 2007 GMC Sierra, Mazda Miata, 2017 Toyota Corolla, and the 2010 Lexus EX350.