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.
Most people change their oil around 3000 miles, but they said the oil is fine up to 5000. Of course, you might want to go with what the manufacturer recommends, as you could void your warranty. Good luck. How many miles you can go, it really depends on what car and what oil do you use. Just check your oil, if it looks very dirty, means time to change it. If it's very dirty it cannot lubricate the engine internal parts properly, the friction increases and the engine wears a lot faster. Source(s): worked as mechanic.