I'm surprised GM still say 0W-20 in your country, and not say Dexos 5w30 instead.
Over here (Australia) the 2015 Jeep Patriot with 2.4L 4-cylinder engine is spec'd at 5W-40, yet in the USA the same engine is spec'd at 5W-20.
Over here (Australia) the 2015 Jeep Patriot with 2.4L 4-cylinder engine is spec'd at 5W-40, yet in the USA the same engine is spec'd at 5W-20.