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How come my Onstar diagnostics didn’t tell me something’s wrong with my car until it died?

December 27th, 2010 · No Comments

Isn’t the so-called high technology can detect if there’s anything wrong with the car and send signal to my car and has a light on? Well my car just died without any warning lights, I’m so disappointed with Onstar and Cadillac.

- Without knowing the cause of the problem that caused the car to die, I can not tell you why the on board diagnostics did not warn you. If the problem was caused by a mechanical failure, rather than the failure of an electronic component there would have been no warning.
The On-star system and the on board diagnostics read the information from sensors, and will warn you if a sensor reading is out of acceptable range. It is not a replacement for having your car checked and serviced regularly by a qualified mechanic.

- Electronics can go out without any warning, so it would be impossible for it to detect a problem.

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