\"Driving on underinflated tires can cause tires to overheat and increase the likelihood of a blowout, especially when road temperatures are extremely high,\" Garrett Townsend, public affairs director for AAA, explains via email. AdvertisementAlthough blowouts due to underinflated tires can happen any time of year, it's the combination of heat and underinflation that makes tires especially prone to mishap during summer. When a car is driving down a road, the sidewalls of the tires are flexing (bending, grabbing the asphalt), which creates heat. Add in the summer sun and eventually the bonds in an under-inflated tire can break down and you have a blowout. Here are some tips for avoiding underinflated tires, courtesy of AAA:Inflate your tires to the recommended setting outlined on the tire information placard found most often on the driver's doorjamb or in the vehicle's owner's manual.