I am not sure what GMC was thinking with navigation system. I could see where I wanted to go off the freeway but instead decided to follow the GPS directions. It took me two miles in the opposite direction then did a u-turn to get me there. Is it possible to install a better system and replace...
Hi everyone,
I have a 2020 GMC Sierra 1500 3L Diesel SLT 15,000 miles.
"Change oil soon" came up on the dash. I checked the dip stick and there was no oil showing. Went to the dealer and they had never heard of any problems with this engine. Now going through an oil consumption test...