Tell your doctor or dentist that you take calcium carbonate before you receive any medical or dental care, emergency care, or surgery. Lab tests, including serum calcium levels, may be performed while you use calcium carbonate. These tests may be used to monitor your condition or check for side effects.
Many newer vehicles now come equipped with an sensor or monitor where a light on comes on indicating you should change the oil. If you are lucky enough to have one of these you will soon realize how much of a waste it would be to change your oil every 3,000 miles.
The instant oil change places say you need to change 3 months or 3,000 miles, and that's not a bad idea, but you can stretch it. The State of Michigan does oil changes on its fleet cars every 5,000 miles. Many manufacturers say to change the oil every 7,500 miles.