9-3 FWD (9440) L4-2.0L Turbo (B207R) (2009)
1. The customer's description of the problem constitutes a basis for the fault diagnosis strategy.
If necessary, the customer must demonstrate the trouble on the car to avoid misunderstandings.
2. In certain cases, the function may be correct.
2. a. Good product knowledge is required to decide this.
2. b. If the function is correct, this must be explained to the customer.