1998 Chevrolet Express Van Owner's Manual - Page 86

A CA J T A N : It can be dangerous to drive the rear doors with (CO) gas can open because carbon monoxide come into your vehicle. You can't see or smell CO. It can cause unconsciousness and death. even If you must drive with the rear doors open if or electrical wiring or other cable connections must pass through the seal between body and the the rear doors: Make sure allwindows are shut. I'urn the fan on your heating or cooling system to its highest speed the setting with on VENT, HEAT, BLEND or DEF. Additionally, on vehicles with heatindair conditioning systems, NORM A/C or BI-LEVEL A/C can be used. That will force outside air into your vehicle. See "Comfort Controls" in the Index. If you have air outlets or under the on instrument panel, open them all the way. See "Engine Exhaust" in the Index. Theft Vehicle theft is big business, especially in some cities. Although your vehiclehas a number of theft-deterrent features, we knowthat nothing we put on it can make it you impossible to steal. However, there are ways can help. Key in the Ignition If you leave your vehicle with the keys inside, it's an easy target for joy riders or professional thieves -- so don't do it. When you park your vehicleand open the driver's door, you'll hear a tone reminding you remove your key from to the ignition and take it withyou. Always do this. Your steering wheel will be locked, and will your ignition so to and transmission. And remember lock the doors. Parking at Night Park in a lighted spot,close all windows and lock your vehicle. Remember to keep your valuablesout of sight. Put them in a storage area, or take them with you.