correct. basically, the Act states that dealers or manufactures can not void a motor vehicle warranty if you use other oil, filters, spark plugs, etc, as long as they're applicable and are made for that vehicle. the only way the dealer can mandate that you use their oil and filters, as stated in the Act, is if they provide them to you for
free. a fatter chance than Rosie O'Donnell's cottage cheesy, tuna-town, lintball filled ass.
Google it up and print it out. Hand a copy to your dealership and then ask if they'd like to speak to your lawyer. My guess is no....probably not.