Where is the thermastat housing vent for a 2007 chevy colorado

SOURCE: How to remove the car stereo from 2007 Chevy Colorado

This is not hard but tricky because the trim plate around the radio has clips that hold the trim plate very tight.Use a plastic type flat tool or flat screw driver wraped with tape or a shop rag to avoid damage to the plastic trim and pry the trim panel around the radio loose. remove all elec connectors.Then remove the screws that hold the radio in place and remove all elec connectors.

SOURCE: I have a chevy colorado 2007. The "serv tpm" light

TPM THAT MEANS TEMPOMAT CRUISE CONTROL.CHECK TO SEE IF BRAKE LIGHTS WORK.IF NO CHECK BRAKE LIGHT SWITCH FUSE. IF FUSE OKAY BRAKE LIGHT SWITCH FAULTY OR YOU HAVE OPEN WIRE FROM BRAKE SWITCH TO FUSE BOX.SEE YOUR BRAKE SWITCH DEACTIVATES THE CRUISE CONTROL SYSTEM.PROBLEMS WITH BRAKE PEDAL POSITION SWITCH WILL SET OFF CRUISE CONTROL WARNING LIGHT.IF BRAKE SWITCH OKAY.THE DEALERSHIP HAS TO DIAGNOSIS AND FIX PROBLEM.