2007 Chevrolet Avalanche Owner's Manual - Page 104

Midgate® CAUTION: (Continued) {CAUTION: It can be dangerous to drive with the cargo area covered and the tailgate and the Midgate® open because carbon monoxide (CO) gas can come into your vehicle. You can not see or smell CO. It can cause unconsciousness and even death. If you must drive with the cargo covers on and the tailgate and Midgate® open or if electrical wiring or other cable CAUTION: (Continued) connections must pass through the seal between the body and the Midgate®: • Make sure all windows are shut. • Turn the fan on your heating or cooling system to its highest speed on the setting that brings in outside air. This will force outside air into your vehicle. See Dual Automatic Climate Control System on page 230. • If you have air outlets on or under the instrument panel, open them all the way. See Engine Exhaust on page 143. Midgate® Operation Your vehicle is equipped with a Midgate® and a removable rear glass panel. The Midgate® allows you to extend the length of your vehicle's cargo area. 104