Couldn't tell you why, but I can tell you how to fix it. Unplug the negative terminal on the battery (make sure the car is off) and let it sit for 5-10 minutes before re-plugging it. This will reset the radio and eject any CD that is in the CD player.
push "Eject" push "Eject"
try coloradofans.comit as everthing you could wanna know about colorados, it has helped me out sooo much
because the chimes dont come from your stereo speakers, they come from inside the dash
Press eject and if that doesn't work press the button repeatedly,
Monoloog in Stereo was created in 2005.
take it to a shop
The 2005 GMC Sierra-2500HD has 16 valves.
The 2005 GMC Sierra-1500 has 12 valves.
The 2005 GMC Sierra-2500HD has a V8 engine.
The 2005 GMC Sierra-1500 has a V6 engine.
The 2005 GMC Sierra-1500 is a gas-powered vehicle.
The 2005 GMC Sierra-2500HD has overhead valves (OHV).