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• Will any holes be made in the
body of the vehicle when the
trailer hitch is installed? If so, be
sure to seal the holes when the
hitch is removed. If they are not
sealed, deadly carbon
monoxide (CO) from the engine’s
exhaust can get into the vehicle.
See Engine Exhaust on
page 2-26. Sealing the holes will
also prevent dirt and water from
entering the vehicle.
Safety Chains
Always attach chains between the
vehicle and the trailer. Cross the
safety chains under the tongue of
the trailer to help prevent the tongue
from contacting the road if it
becomes separated from the hitch.
Instructions about safety chains
may be provided by the hitch
manufacturer or by the trailer
manufacturer. Follow the
manufacturer’s recommendation
for attaching safety chains and do
not attach them to the bumper.
Always leave just enough slack so
the rig can turn. Never allow safety
chains to drag on the ground.
Trailer Brakes
A loaded trailer that weighs more
than 1,000 lbs (900 kg) needs
to have its own brake system that is
adequate for the weight of the
trailer. Be sure to read and follow
the instructions for the trailer brakes
so they are installed, adjusted
and maintained properly. Because
the vehicle has StabiliTrak
®
,do
not try to tap into the vehicle’s
hydraulic brake system. If you do,
both brake systems will not
work well, or at all.
Driving with a Trailer
{ CAUTION
When towing a trailer, exhaust
gases may collect at the rear of
the vehicle and enter if the liftgate,
trunk/hatch, or rear-most window
is open.
Engine exhaust contains carbon
monoxide (CO) which cannot be
seen or smelled. It can cause
unconsciousness and even death.
To maximize safety when towing
a trailer:
• Have the exhaust system
inspected for leaks and make
necessary repairs before
starting a trip.
• Never drive with the liftgate,
trunk/hatch, or rear-most
window open.
• Fully open the air outlets on or
under the instrument panel.
(Continued)
4-30 Driving Your Vehicle