What needs to be done for the first maintenance of Dongfeng Nissan?

[DiGavin]

Dongfeng Nissan's first maintenance requires the following items: 1. Inspect and tighten all mechanical connection nuts in the engine compartment and throughout the vehicle. 2. Check the tire tread and pressure, and replace the engine oil and oil filter. 3. Inspect and adjust all vehicle lights, check and lubricate the front and rear door hinges, and inspect the automatic opening and closing of doors and sunroof glass. 4. Check the levels of engine coolant, windshield washer fluid, brake fluid, and battery fluid. 5. Finally, inspect the vehicle chassis and test the shock absorbers and braking system during a test drive. Additional information: 1. Car maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of the vehicle, also known as car servicing. 2. Modern car maintenance mainly includes the engine system, transmission system, air conditioning system, cooling system, fuel system, power steering system, etc. 3. The purpose of car maintenance is to keep the vehicle clean and in good technical condition, eliminate potential hazards, prevent failures, slow down the deterioration process, and extend the service life.