1st Method
WARNING: This page is about a different car, the 2024 Kia Forte. However, it is still accessible from the selected car via links, so may be relevant.
- Start the engine and keep the engine running at idle for 2 minutes.
- Step on the accelerator pedal and hold it steady at 4500 RPM with the shift lever in N position to warm up the engine until the temperature of the engine coolant reaches 80°C.
- Keep the engine running at 2500 - 3000 RPM in the N position for 15 minutes.