For 0-km and on-site complaints, complaint procedures meeting customer requirements shall be adopted (e.g. 8D method)Failure analysis procedures must be defined. Necessary human and material resources must be in place to ensure completion on schedule. Observe the time limit agreed with the customer. For nonconformities, contact and communication shall be carried out.As a supplement, in case of on-site complaint, the failure analysis process shall be implemented according to the customer's requirements (for example, VDA uses on-site failure analysis).