Some units of the GMC Sierra 1500, Yukon, and Yukon XL trucks and SUVs need an ECM software update to fix a glitch with the ...

2010-2012 Buick LaCrosse, Regal, Chevy Equinox, and GMC Terrain vehicles may be going too long between oil changes. GM is offering to reprogram their sensors.

After high warranty claims on several models with four-cylinder engines, GM will reprogram software to make oil change warning lights go on sooner.