The song is called "Looking Up to the Sky".

"Looking Up to the Sky" is the theme song of "Four Drivers Brothers". Its lyrics and melody both reflect the protagonist's courage and determination in the face of difficulties. This song uses inspiring lyrics and The exciting melody conveys a positive message, encouraging people to maintain faith and courage, move forward courageously, and pursue justice and light when facing challenges in life. Such themes are common in many animated works.

Excerpts from the lyrics: Driving a brave racing car, chasing the championship, fast! quick! quick! rush! rush! rush! Four-wheel drive warriors in action.