Do I need proof for the free maintenance provided by the 4S store?

[KennedyFitz]

Proof is required for the free maintenance provided by the 4S store. Any promises or gifts offered by the 4S store during the car purchase should be clearly stated in the purchase contract, especially the maintenance services provided by the 4S store. This helps avoid any issues during maintenance and ensures the normal progress of the service. The basic maintenance provided by the 4S store is relatively limited, mainly including oil and oil filter replacement. Additionally, they will inspect and diagnose the vehicle's condition and usage, such as checking the engine's working status and whether the coolant level is normal. The main maintenance items for a car include oil changes, oil filter replacement, transmission fluid replacement, spark plug replacement, air filter replacement, brake fluid replacement, etc. However, not all these items need to be replaced every time, as it depends on their service life. Besides these, maintenance also involves inspections and servicing of dozens of components, including the engine, transmission, air conditioning system, steering system, braking system, suspension, body, tires, etc.