Car movement left or right

I am trying to make a game like toon racer or traffic rider where car is moving forward constantly but when pressing left or right keys it just move the vehicle left or right without any realistic angle being created,i want this type of exact movement in the link https://m.youtube.com/watch?v=irqK5PPGZ6I As you can see the car moves with little angle when keys are pressed giving it a realistic look , how to achieve this movement.