As i complained that the car had trouble reversing up slopes, the mechanic told me to wait for his boss to arrive.I had a drink and then came back. The boss not in yet.
At around 11am, he then appeared totally calm and relaxed. He told me to take a seat first and went to check on a Q7. 15min later after he sorted out the audi problem, he went on a test drive with me.
He then connected his $30k diagnostic equipment and explained in detail that my car g sensor is out of number and did the recalibration and took my car for a few rounds of test drive. Problem fixed.
Then he showed me a video clip of how the sensors work in …