Setting Wheelcollider BrakeTorque to 0 does not release brake

Once the BrakeTorque is applied, car does not move. 'motor' variable is always 0. Plz help.

using UnityEngine; using System.Collections; using System.Collections.Generic;

[System.Serializable] public class AxleInfo { public WheelCollider leftWheel; public WheelCollider rightWheel; public bool motor; public bool steering;

}

public class SimpleCarController : MonoBehaviour { public List axleInfos; public float maxMotorTorque= 300.0f; public float maxSteeringAngle;

 [SerializeField] private float currentbreakForce;
 [SerializeField] private bool handBreak;
 [SerializeField] private float motor;
   

 // finds the corresponding visual wheel
 // correctly applies the transform
 public void ApplyLocalPositionToVisuals(WheelCollider collider)
 {
     if (collider.transform.childCount == 0)
     {
         return;
     }

     Transform visualWheel = collider.transform.GetChild(0);

     Vector3 position;
     Quaternion rotation;
     collider.GetWorldPose(out position, out rotation);

     visualWheel.transform.position = position;
     visualWheel.transform.rotation = rotation;
 }

 public void FixedUpdate()
 { 

     handBreak = false;
     currentbreakForce = 0f;
    
     float motor = maxMotorTorque * Input.GetAxis("Vertical");
     float steering = maxSteeringAngle * Input.GetAxis("Horizontal");
     handBreak = Input.GetKey(KeyCode.Space);
     
     if (handBreak)
     {
         ApplyBreaking();
     }
    

     foreach (AxleInfo axleInfo in axleInfos)
     {
         if (axleInfo.steering)
         {
             axleInfo.leftWheel.steerAngle = steering;
             axleInfo.rightWheel.steerAngle = steering;
         }
         if (axleInfo.motor)
         {
             axleInfo.leftWheel.motorTorque = motor;
             axleInfo.rightWheel.motorTorque = motor;
         }
         ApplyLocalPositionToVisuals(axleInfo.leftWheel);
         ApplyLocalPositionToVisuals(axleInfo.rightWheel);
     }
 }
 private void ApplyBreaking()
 {
     foreach (AxleInfo axleInfo in axleInfos)
     {
         currentbreakForce = 800.0f;

         axleInfo.leftWheel.brakeTorque = currentbreakForce;
         axleInfo.rightWheel.brakeTorque = currentbreakForce;
     }
     
 }

}