Games like these are big click-a-thons. If it looks like something that could potentially be clicked, you click on it. And then you click on anything that you might not expect to be clickable, but just in case, you click it. So explore the vehicle, clicking along the sides of the screen to rotate your view to different parts, and when you need to go back to the previous screen, click along the bottom of the screen.
You’re trapped in this car, and it’s up to you to figure out how to escape with the tools that are given to you in this point and click adventure game. There’s no story, not motivation—nothing. You’re just a poor soul trapped in this car, and your goal is to figure out how to escape as quickly as possible. So explore your environment and click on anything and everything. Then use your ingenuity to put everything together and crack this case to Escape the Car.