Check for irregularities. If you're at the windshield chip repair or rear of the car, look along the car to see if there are small dents. These can be seen as distortions in the reflection. If the paint is not smooth in one place, then this could be a place where there has been some damage. Dents as large as a coin can be restored by a panel beater. Dents that are not thoroughly repaired are often filled with polyester resin or fibreglass paste. Tap the surface, or go along it with a magnet. Know whether the panel is made of steel, not plastic, fibreglass or aluminum. If there are places where the magnet will not adhere, then in all likelihood, the panel has been repaired. Ask the owner why the part has been repainted?
Car manufactures line the interior of the trunk with carpet. Especially the floor of the trunk. Lift the carpet and look for condensation, corrosion, welded panels and color differences relative to the body. This may indicate improper repair of the rear of the vehicle after an accident.
The secret to doing a lot of repairs is knowing where and copyright people. Mostly it is a function of letting them know you there and able to do the repair. Problem is most people wake up thinking about how to find someone who needs windshield repair.
If you are using a system fix auto glass repair disc, boot the PC with that. Otherwise, after your PC has finished its BIOS sequence, hold down the F8 key. Choose Repair Your Computer from the Advanced Boot Options screen (below) and tap Enter.
If a rock hits your windshield while you are driving when it is already cracked, this can cause it to shatter too and you will not be able to see the road. Dings and scratches generally won't do this but there is always that risk factor that you have to be cautious about.
Refill the windshield washer fluid. There are washer fluids available that are enhanced with an ice-melting component that is perfect for cold winter months. Do not fill with water, as it will freeze.
Windshield repair or replacement is totally depending upon the size and location of the damage and cracks. So, before going for any of these options just consult a glass specialist who can examine your shield and suggest if a repair will work or not. If damage from an accident is quite big then do not compromise your life, as you know better that windshield replacement is a necessity. Just bear in mind that your life is more valuable than anything else.