There can be several signs indicating that you have tires in bad condition. One can be some visual signs that there can be damage from hitting a curb, pothole, or other objects when you look at the tires. All cuts or other visible damages should be taken care of without delay, as they can impact driving safety. Take the car to a tire service station, and they can help you assess the situation and come up with a solution.
If your tires look flat, then you need to drive to the gas station and have the tire pressure checked and filled. Wrong tire pressure will not give you an optimal driving experience. It could be that your tire is actually flat, and just filling up the tire might not be a solution. If your tire was almost flat, there must have been some reason why it would be good to have it checked at a service station. Refilling the tire with air can be a good start and might help short term and at least will be able to get you to a service station where they can have the tire checked for any objects causing a leak. A nail or other sharp object still inserted into the tire can cause gradual pressure decline.
The tread might also be worn out so that when you look at them, they look like slicks. Measure the tread depth, and if it is below 5/32 inches, then you need to get yourself a new set of tires. It is preferable to a full set, as the car is more stable when it has a similar grip on all tires. The more tread depth you have, the better grip you have. You should also look for uneven wear, which is a symptom indicating that there is a problem somewhere. Once again, time to take the car to a service station and have them assess the problem.
When you drive and you feel that the braking distance has gotten longer, this might be a sign of bad tread depth, so it is a sign that you should measure it. If the steering wheel shakes when you drive, it tends to be due to the fact that the tires are not balanced properly. Balancing can be done quickly at a tire shop to ensure that there are no side forces when the wheel spins. They will put weights to counteract and discrepancies.
You might not have any grip on snow or ice because you have the wrong tires for the season. All-season tires will always be bad during the winter if there are winter conditions with low temperatures or then snow, ice, or slush. You will need winter tires to be able to drive in these conditions.
Your safety is only as good as your tires are when you drive a vehicle, so make sure that you buy a high-quality set of tires to start with and then make sure that you maintain them.
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