2003 Chevrolet Monte Carlo Owner's Manual - Page 76

Trunk Trunk Lock To unlock the trunk from the outside, insert the key in the lock and turn it. You can also press the car symbol on your remote keyless entry transmitter. It can be dangerous to drive with the trunk lid open because carbon monoxide(CO) gas can come into your vehicle.You can't see or smell CO. It can cause unconsciousness and even death. If you must drive with the trunk lid open or if electrical wiring or other cable connections must pass through the seal between the body and the trunk lid: Make sure all other windows are shut. Turn the fan on your heating or cooling system to its highest speed and select the control setting that will force outside air into your vehicle. See "Climate Controls" in the Index. ii you h a v e air uuiieis u i - 1 ui Gii&i* the instrument panel, open them all theway. Remote Trunk Release You can also unlock the trunk from inside the vehicle. Press the button located below the exterior lamps control on the underside of the dashboard. The shift lever must be in PARK (P) for the remote trunk release button to work. See "Engine Exhaust" in the Index. 2-11