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Assets/Prefabs/Car/Car.cs

@@ -6,7 +6,9 @@ public class Car : MonoBehaviour, IResetable
     private GameManager gameManager;
     private Rigidbody rb;
     public GameObject model;
-    public Transform initialTransfrom;
+    private Transform initialTransfrom;
+
+    public GameObject explosion;
 
     private Animator animator;
     private int turnLeftHash;
@@ -105,10 +107,16 @@ private void StopRotate()
 
     private void OnCollisionEnter(Collision collision)
     {
+        if (!hasControlls)
+            return;
+
         string objTag = collision.gameObject.tag;
         if (objTag == "Meteor" || objTag == "Rock")
         {
             rb.isKinematic = true;
+
+            Instantiate(explosion, transform.position, transform.rotation);
+
             gameManager.GameOver();
         }
     }

Assets/Prefabs/Car/Car.prefab

@@ -67,6 +67,8 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   model: {fileID: 2971348555250844388}
+  explosion: {fileID: 8864119250051567657, guid: f30728ecec31ec244b08bf73d592b2c6,
+    type: 3}
   speed: 15
   rotationSpeed: 70
 --- !u!65 &7438733422354135274

Assets/Prefabs/Car/Explosion.cs

@@ -0,0 +1,14 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Explosion : MonoBehaviour
+{
+    private void Start()
+    {
+        var ps = GetComponent<ParticleSystem>();
+        var main = ps.main;
+
+        Destroy(gameObject, main.duration);
+    }
+}