Getting ready to tune my 17 Yukon. This is the first vehicle I’ve put a tune in with a push button start. Should I put the truck in accessory mode or service mode for the flash? Just don’t want the power to cut off in the middle of a flash. What has everyone else done? Thx.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.