Wear and deterioration around the 'edge' of each tyre, which is serious if the metal ply is staring to show through, and also a flat or unrounded appearance at the bottom of the tyre. Tyre pressure is measured in Psi (pounds per square inch), and correct tyre pressure can be taken using both manual or digital pressure gauges, that are available in most car accessory shops. They aren't expensive, but remember that each make and model of car has it's own correct precise tyre pressure, and there can also be a difference in pressure requirement between the front and rear tyres.
tread on the sides of the tire will be more worn down then the middle
Yes, under-inflated tires are dangerous. They can also leave the rim under heavy cornering.
Yes they do.
Under-inflated tires and duals that touch
Steel belted tires have that look.
you drive too fast through standing water on under- inflated tires.
The braking of the car and, give the driver heavy steering
Accelerating and braking abruptly, an out-of-tune engine, under-inflated tires, to name a few.
Underinflated tires wear faster on the sides than the middle.
flats, shortened life due to uneven or accelerated wear, and and propulsion inefficiency.
Yes. If inflated.
George Dunlop.