Don't go too long without servicing your vehicle; it needs regular maintenance to ensure that it lasts for the long haul. You should have your vehicle serviced at regular intervals, namely at 15,000, 30,000, 60,000, and 90,000 miles. The exact services that you have done at each of these mile markers will vary depending on the make, model, and year of the vehicle, so you should always consult your user manual. But there are general guidelines that you can follow. Here are some of the most important things to have checked.