Where is the oil filter on the 2008 Cadillac STS-V?

The oil filter on the 2008 Cadillac STS-V is located on the passenger side of the engine, near the front and below the intake manifold. It can be accessed from underneath the vehicle, making it necessary to raise the car for easier reach. Be sure to use an oil filter wrench for removal and installation. Always check for any leaks after replacing the oil filter.