2010 Buick LaCrosse Owner's Manual - Page 17

Keys, Doors and Windows 1-11 Safety Locks Doors Trunk WARNING (Continued) If the vehicle must be driven with the liftgate, or trunk/hatch open: . . { WARNING Exhaust gases can enter the vehicle if it is driven with the liftgate, trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or liftgate. Engine exhaust contains Carbon Monoxide (CO) which cannot be seen or smelled. It can cause unconsciousness and even death. (Continued) Close all of the windows. Fully open the air outlets on or under the instrument panel. Adjust the Climate Control system to a setting that brings in only outside air and set the fan speed to the highest setting. See Climate Control System in the Index. If the vehicle has a power liftgate, disable the power liftgate function. . Press the button on the driver door armrest to activate the safety locks on the passenger rear doors. This switch also disables the rear power windows. Once activated, the light, located on the switch, illuminates and goes out when deactivated. If the light flashes the feature may not be working properly. . For more information about carbon monoxide, see Engine Exhaust on page 8‑26.