Trailer BrakesIf your trailer weighs more than 2,000 lbs (900 kg)loaded, then it needs its own brakes — and they mustbe adequate. Be sure to read and follow the instructionsfor the trailer brakes so you’ll be able to install, adjustand maintain them properly.Since your vehicle is equipped with Stabilitrak®, yourtrailer brake system cannot tap into the vehicle’shydraulic brake system.Driving with a Trailer{CAUTION:If you have a rear-most window open and youpull a trailer with your vehicle, carbonmonoxide (CO) could come into your vehicle.You can not see or smell CO. It can causeCAUTION: (Continued)CAUTION: (Continued)unconsciousness or death. See EngineExhaust on page 2-29. To maximize your safetywhen towing a trailer:• Have your exhaust system inspected forleaks, and make necessary repairs beforestarting on your trip.• Keep the rear-most windows closed.• If exhaust does come into your vehiclethrough a window in the rear or anotheropening, drive with your front, mainheating or cooling system on and with thefan on any speed. This will bring fresh,outside air into your vehicle. Do not usethe climate control setting for maximum airbecause it only recirculates the air insideyour vehicle. See Automatic ClimateControl System on page 3-22.Towing a trailer requires a certain amount of experience.Before setting out for the open road, you’ll want to getto know your rig. Acquaint yourself with the feel ofhandling and braking with the added weight of the trailer.And always keep in mind that the vehicle you aredriving is now a good deal longer and not nearly asresponsive as your vehicle is by itself.4-59