CLOUD scheme: Practical mnemonic can save drivers from breakdowns. It may sound simple, but you should always always check that there is enough gasoline in the tank.
The letter W stands for both coolant and windshield washer fluid. If the oil level is too high, there is probably a problem and you should go to a workshop. And if you're already concerned with the tires, you can also check the tread depth, which should be at least 1.6 millimeters.