This specific certification ensures that the detergent systems, viscosity modifiers, and additives work in harmony to manage heat, friction, and wear. Dexos2: Key Differences Released in 2009, the original dexos1 specification targeted enhanced sludge control and deposit prevention for vehicles using lower-viscosity fluids.
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Maintenance Best Practices Adhering to scheduled oil changes with the correct viscosity and certification is only part of the equation. How to Identify Genuine Dexos Oil Packaging for authentic products will display either the dexos1 or dexos2 logo, often accompanied by the license number issued by GM.
When you see the dexos1 or dexos2 certification mark on a container, it confirms that the oil has passed a series of rigorous laboratory tests designed by GM. Using a non-certified oil risks inadequate protection, which can lead to increased engine wear or reduced efficiency over time.
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Combining genuine parts with proper installation ensures the vehicle warranty remains valid and performance stays optimal. The subsequent dexos2 revision, introduced later, focused on improving fuel economy and meeting the demands of turbocharged engines.
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