See also:

Checking Tire Inflation Pressure
Check your tires once a month or more. Also, check the tire pressure of the spare tire. How to Check Use a good quality gauge to check tire pressure. You can not tell if your tires are properly ...

When to replace tires
The original tires on your car have tread wear indicators . The location of tread wear indicators is shown by the "TWI" or "" marks, etc., The tread wear indicators appear wh ...

Checking the engine oil
Engine oil is essential to the performance and service of the engine. It is suggested that you check the oil level at least once a week in normal use and more often if you are on a trip or driving ...