In a blink of an eye, life can get crazy and out of control. You should always try to stay positive and wish for the best to happen. But, you should also keep in mind to informed and prepared for the worst.
The difference between tempered and untempered glass knowing certain pressure points on windows can save lives.
Always focus on the edges of the side windows if you find yourself trapped in a car and it is your best bet. This will be the best avenues for you escape plan even if you submerged in water.
The main windshield is made to crack and splinter while the side windows were made to shatter on impact if hit on the sides.
The middle of the glass will be the hardest to break whether you’re submerged or not. Always remember to keep a blunt object in your vehicles such as screwdriver, hammer, and wrench; these will help you to get over.
Most importantly it’s good to know that the water pressure can add up to 850 pounds of force against the window. So, it’s useless to hit in the middle of the window.
If your car is filled with water grab that object and aim for the corners are the point where you need to strike breaking out the window and that’s the way to swim to safety. If you are on land, breaking a side window can give you also the way to be free.
You don’t have much time here to waste, so, you need to keep a cool head and act quickly. When your car descends deeper, it will make the window harder to break as there will be more pressure.
There are certain tools, which can help you to be success more easily. Take some and leave them on your armrest in case you need them.
sources : http://www.higherperspectives.com