Yes, it meets Dexos standards, Valvoline 0W40, European, is a "full synthetic", see the FAQ excerpt below from the Valvoline site and link to the same.
"Which Valvoline motor oils meet GM standard dexos 1™ Gen 3 standard
The following Valvoline motor oils meet or exceed the requirements of GM standard dexos 1™ Gen 3: • Extended Protection Full Synthetic • Advanced Full Synthetic • Valvoline Full Synthetic"
Shop Valvoline European Vehicle Full Synthetic Motor Oil SAE 0W40. Superior wear protection and longer engine life. Free shipping on orders $99+.
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