I have 1000 on my new LTZ 3.6.first oil & filter change, and check up.at selling dealer. put in Mobil 1, 5/30.cost,$68.62.mobil 1 is the only oil i use in my cars.the more I drive this car the more I like it.the gas milage is great,drives better than my 06 Cadillac SRX.the SRX is a fine car. I run the 88 octane gas in it.I live in the mountains. 7300 ft.the remote start works realy good ,well thats the lates up dates for me. jack.