Windshields With ADAS

Auto Glass Repair And ADAS

If you have purchased a new car in the last few years, you might have been told it was equipped with a Lane Departure Warning System, a Forward Collision Alert System or even an Adaptive Cruise Control System. These are all fancy terms for another fancy term: ADAS, otherwise known as Advanced Driver Assisted Systems. ADAS is the umbrella under which all of these terms would sit. So, why would a rock chip repair guy be writing about this? Glad you asked.

types of advanced driver assisted systems

Typical ADAS sensors. LIDAR is not yet used in production vehicles. (Image: Texas Instruments)

What Is ADAS?

These are advanced features designed to increase driver and passenger safety. I know - you probably could have guessed this. Here is a little more detail: The ADAS cameras and sensors are often part of the vehicle's rear view mirror assembly and sit very close to the front windshield. These items bring in outside information to the driver of the car. This connection of man and machine improves the drivers ability to react to dangerous road conditions or correct driver error by reducing reaction times to potentially harmful situations. These systems can even actively prevent accidents by automatically correcting the steering or applying the brakes to reduce the chances of having an accident.

These cameras and sensors quite sensitive. Optical clarity and glass thickness will affect their efficiency. The software that runs this system is fine tuned to the glass thickness and optical tolerances and clarity at the factory. So, if a windshield doesn't meet original equipment (OEM) specs, there is a very good chance these systems won't work properly. And each auto manufacturer has their own unique set of specifications. A few months back the Auto Glass Safety Council released a checklist of vehicles that require ADAS recalibration after front windshield replacement.

Repairing An ADAS Equipped Windshield

Replacing a windshield without ADAS is relatively simple vs one with ADAS. Not only does the new windshield have to be positioned properly, glass shops have to make sure the cameras are calibrated properly after the new windshield is installed. Neglecting to do this could result in failures through out the cars ADAS and could even result in a collision which could have been avoided.

Many car dealers and manufacturers recommend replacing the windshield with and original OEM part. When combining the cost of an OEM part with the fee charged for ADAS recalibration, AAA found that the average cost of replacing a windshield with an OEM part on a vehicle equipped with windshield dependent ADAS ranged from $1,300—$1,650.

Obviously, this is ALOT of money. If you end up with a rock chip on one of these windshields, the best thing you can do is get this repaired right away in order to avoid the MUCH more costly option of replacement. However, there is one condition. If the damage is located in front of the camera or sensor, it should not be repaired - and should be replaced. Good thing is that this is a very small area of the windshield. Naturally, if you decide on the repair option, you should contact First Choice for this type of auto glass repair.

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