there is a little hole on the inside lower bezel surrounding one of the head rest posts. push a tack or push-pin into the hole and then at the same time press the release button on the opposite post and pul up the headrest. it should release, then put on the ugly seat covers, so your buddies don't stink up your truck.
The 2014 GMC Sierra-1500 has 42.4 in. of front head room.
The 2011 GMC Sierra-1500-Hybrid has 40.6 in. of rear head room.
The 2013 GMC Sierra-1500-Hybrid has 40.6 in. of rear head room.
The 2009 GMC Sierra-1500-Hybrid has 41.5 in. of front head room.
The 2012 GMC Sierra-1500-Hybrid has 41.5 in. of front head room.
The 2012 GMC Sierra-1500-Hybrid has 40.6 in. of rear head room.
The 2009 GMC Sierra-1500-Hybrid has 40.6 in. of rear head room.
The 2013 GMC Sierra-1500-Hybrid has 41.5 in. of front head room.
The 2010 GMC Sierra-1500-Hybrid has 40.6 in. of rear head room.
The 2010 GMC Sierra-1500-Hybrid has 41.5 in. of front head room.
The 2011 GMC Sierra-1500-Hybrid has 41.5 in. of front head room.
what is the main and connecting rod for a gmc 2.2l