3 months or 3000 miles, synthetic, dipstick, oil filter, air filter, 5 quarts… Even routine maintenance on your vehicle can be intimidating, confusing, easy to forget, and frankly, just a pain. But at Palmen Buick GMC Cadillac, we can take the headache out of routine maintenance. In our GM certified service department, we’ll get to know you, your vehicle, and your driving habits to recommend the best service schedule to extend the life of your vehicle.