The best way to keep your second generation (2015, 2016, 2017, 2018, 2019 and probably also the refreshed 2020 model year) GM Chevy Colorado running reliably for many years is to regularly change the motor oil and replace the oil filter in the LFX or LGZ 3.6 liter V6 engine. Check out my DIY tutorial for the procedure (with the compatible replacement oil filter part numbers) by clicking on the text link or thumbnail image below.
2015-2019 GM Chevrolet Colorado 3.6L V6 Engine Oil Change Guide
Owners of the similar GMC Canyon, Chevrolet S10 (Argentina & Brazil / Brasil), Holden Colorado (Australia) and the related Isuzu D-Max may also find the DIY instructions to be helpful.