He lighted down from the chariot - This was an act of quite uncalled-for courtesy. It indicates eagerness to honor the master in the person of his servant.
Related Commentaries of 2 Kings 5:21
2 Kings 5:21
21 So Gehazi followed after Naaman. And when Naaman saw him running after him, he lighted down from the chariot to meet him, and said, Is all well?