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.
Regardless of what you might read online, your owner's manual is the ultimate authority on how often to change your oil. It spells out exactly how many miles you can drive (or how many months, if you don't drive your car much) between oil changes. Estimated cost of an oil change at a shop: $39.99.