dexos® Licensed brands | General Motors While General Motors works toward its vision of zero crashes, zero emissions and zero congestion, the company is committed to improving fuel economy and reducing emissions through its dexos® engine oil specifications
dexos®2 | GM Please note: GM dexos2 has been replaced by GM dexosD for light-duty diesel engines and GM dexosR for gasoline engines Customers may switch to the new specification at their next oil change using the appropriate viscosity grade as defined in their owner’s manual Licensed dexos ® 2 brands
dexos®1 Gen 3 | GM Please note: GM dexos 1 Gen 3 engine oils exceed the performance of GM dexos 1 Gen 2 engine oils and are backward compatible, therefore vehicles that previously used GM dexos 1 or GM dexos 1 Gen 2 will use a GM dexos 1 Gen 3 or GM dexos R licensed engine oil of the appropriate viscosity grade at their next oil change
dexos® Licensed brands | General Motors Only licensed dexos ® products have been certified by GM to meet the dexos ® specification Unlicensed products have not gone through GM's rigorous testing process, are not monitored for quality, and are not approved or recommended for use in GM vehicles
dexos®R | GM Please note: GM dexos R engine oils meet or exceed the performance of GM dexos 2 and GM dexos 1 Gen 2 and Gen 3 oils and are backward compatible, therefore vehicles equipped with gasoline engines that used GM dexos 2, or GM dexos 1 Gen 2 or Gen 3 may use a GM dexos R licensed engine oil of the appropriate viscosity grade at their next oil change
dexos®D | GM Please note: GM dexos D engine oils meet or exceed the performance of GM dexos 2 engine oils and are backward compatible, therefore vehicles equipped with diesel engines that previously used GM dexos 2 will use GM dexos D licensed engine oil of the of the appropriate viscosity grade at their next oil change
dexos® Only those oils displaying the green or blue dexos ® trademark and icon on the front label have been certified and licensed by GM as meeting the demanding performance requirements and stringent quality standards of the dexos ® specification
dexos® GM Global Propulsion Systems engineers have developed dexos ® —a proprietary, global engine oil specification designed specifically to meet the requirements of GM vehicles