Reset customer specific maintenance parameters

This function is used to reset and enter a new date for the customer specific maintenance parameters.
Test conditions:
  1. Ignition on, engine off.
Procedure:
  1. Start the function.
  2. A list with the customer specific parameters is presented.
  3. Choose the customer specific service that should be performed.
  4. Write date for the next service opportunity according to the on-screen instructions.
  5. Service is being performed.
  6. The function is done.