Periodic vehicle maintenance and troubleshooting should be performed at an Authorized Nissan Dealer. In the daily operation of the car, it is necessary to periodically carry out a control inspection, as described in this chapter. If you notice unusual noise, vibration or odor in your vehicle, find out the cause immediately or contact your authorized Nissan dealer immediately. In any case, when you think that the car needs repair, go to a service station of an authorized Nissan dealer. When performing inspection or maintenance of the vehicle, strictly follow the safety precautions.