No matter what the country or the traffic is like where you live or what your expected weather is, you should have an emergency car kit in your car. You can purchase them or make them yourself. The size and what it contains will be determined by how often you drive, where you drive, where you live, your climate, how much trunk or storage space is in your vehicle, price, and your age.
Go to this link for some ideas and to learn why some items are recommended.
Need emergency car kit