Due to the time it takes to perform an oil change, most families go to a place like Jiffy Lube to get their oil changed. They also may not have the skills or equipment necessary to do an oil change.
An oil change service is a service offered by most car care companies. This is when the remove the old oil from your car and replace it with new oil. This extends motor life and improves efficiency.
Look in your manual for the oil weight most vehicles will run fine with 10W-40. If you are looking for a high quality oil go with Mobil 1 Fully Synthetic or Castrol Fully Synthetic.
If your vehicle does not have a special canister oil filter, does not require synthetic oil, takes less than 6 quarts of oil, and is not a diesel, a full service oil change will run you around $41.99...