Time Fertilization with the Weather. Fertilizer applied in a drought is more likely to burn a lawn than to help it grow. Fertilizer and water are both necessary for photosynthesis, so without rain, fertilizer won't work properly.
Some dealers indicate the car has &#147;break-in&#148; oil installed at the factory. Those dealers recommend a first oil change at 7,500 miles. The &#147;break in&#148; oil is reported by those dealers to have different additives than common replacement oil. The different additives in the &#147;break in&#148; oil are reported to be beneficial to the new engine.
Three Months, 3,000 Miles Or Longer?: The Truth about Oil Changes. Quick-lube chains say 3,000 miles, auto manufacturers recommend 5,000 to 7,500 miles and synthetic oil companies, 10,000. How often do you really need to change the oil in your car? Dear EarthTalk: How often do I really need to change my carâs oil?