We use two steps: 1. Insert a medical-grade endoscope through the spark plug hole to visually inspect cylinder wall scratches and carbon buildup on the piston top; 2. Extract an engine oil sample to check for large metal debris or emulsification (caused by coolant leakage).

Unfortunately, cross-border used cars are not covered by the manufacturer's free recall. If a physical recall occurs involving safety issues (like brake pump defects), we will notify you and offer improved new batch parts at cost price, but you will need to cover the labor costs for the replacement.

If your market is in extremely cold regions (like Russia or Northern Europe), we strongly recommend purchasing ternary lithium (NMC) models equipped with heat pump air conditioning. The range achievement rate of used LFP batteries typically plummets at minus 15 degrees, and we will alert you accordingly.