probably lame lane movement.

control_move.cs

[RequireComponent(typeof(CharacterController))]
public class MyController : MonoBehaviour
{

    enum Lane { left, middle, right };
    Lane curLane = Lane.middle;
    
    CharacterController cc;

    void Start () {
        cc = GetComponent<CharacterController>();
    }
    
    public void Move(int xDir)
    {

        float MoveDistanceSideways = 2f; 
        float MoveSpeedSideways = 1f;


        int targetLane = xDir + ((int)curLane - 1);

        var lanes = System.Enum.GetValues(typeof(Lane)).Cast<Lane>();
        foreach (var lane in lanes)
        {
            int iLane = (int)lane - 1;
            if (iLane == targetLane) 
            {
                curLane = (Lane)(targetLane + 1);
                cc.Move(new Vector3(xDir, 0, 0) * MoveDistanceSideways);// * Time.deltaTime);
                cc.SimpleMove(Physics.gravity);
                break;
            }
            

        }
    }
}