Use a glass cleaner to wipe the area around the chip and allow it to dry. A rag has to be placed under the chipped area, this will prevent any surplus windshield chip repair substance from reaching the body paint or smearing the glass.
If the crack looks exactly the same when completed, it's very likely the technician didn't inject the resin properly. A properly completed repair with cause each area of the damage to disappear from at least from one angle of vision (ex: looking from one side, looking from below, looking from above, etc.).
If you don't have the time to go to a windshield repair facility on your own, there are mobile windshield repair companies that will come to you. You can easily schedule an appointment with the mobile company to come to your home and fix your windshield on the weekends or come to your job and fix it during your lunch break.
On most car windows there is a small triangle printed from the manufacturer. Under the fix auto glass repair serial number is a small point with a number. This is the year of manufacture of the window. With popular car models this figure represents the model year. For example a 7 would indicate a model from 1997. If one window has an alternative number it may mean that the window has been replaced due chip or crack damage (windshield) or burglary (side window). If the windshield and side window have a different number from the rest of the windows, this could mean that the car has had a collision. Due to damage the windows have been replaced.
Your windshield is what protects you and your passengers from any debris from the road that could come into your vehicle and harm you. For example some things that may hit your windshield are rocks, trash, cigarette butts, and other things that hit your windshield. It is important to keep your windshield in good condition so it can do its job and protect you. If you windshield is cracked, chipped or broken in any other such way it will not be able to do its job. Also it can actually significantly decrease your safety. Having a broken, chipped or cracked windshield can make it easier for debris to come through your windshield and actually send the glass flying your way as well.
Professional A/C technicians use an electronic leak detector to find leaks in an system. Use a battery-powered UV leak detector kit and special UV glasses. This kit can be purchased at auto supply stores and Internet A/C supply store fronts.
If you have a chip or a growing crack in your auto glass then the best time to get it taken care of is immediately. Every heavy gust of wind or debris that strikes your window can cause a large and sudden streak in a crack that forces it to spread. Tend to your windshield and get the crack taken care of immediately.