Start with the vehicle manual

The manufacturer defines the viscosity grade and technical specifications suitable for the engine, so the vehicle manual should be the primary reference.

Understand viscosity and specifications

The numbers on the container describe oil behavior at different temperatures. A higher number is not automatically better, and the product should also meet the required engine performance specification.

Use an appropriate service interval

Oil-change timing depends on oil type, engine condition, heat, dust, traffic, and repeated short trips. Follow the maintenance schedule, check oil level regularly, and avoid unplanned mixing.