Quote:
Originally Posted by zen
It Really is Dexos I:
From GM;
"Starting with 2011 vehicle production, GM no longer specifies Mobil 1® as the required oil for the above vehicles. A new oil specification called Dexos I has been created, which a variety of synthetic and synthetic blend motor oils meet.
Note: For additional information on available Dexos 1 oils, please refer to PI0175.
• 2011 vehicles equipped with DOHC V6 engines (RPO LF1 and LLT) are no longer built with Mobil I logo caps. These vehicles should be serviced in accordance with the Dexos I standard. "
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LOL. Leave it to GM to change their minds. Everyhing in my 2011 manual (even the logo) says dexos.