HUMMER H2 2009 Owners Manual
Manufacturer: HUMMER, Model Year: 2009, Model line: H2, Model: HUMMER H2 2009Pages: 524, PDF Size: 3.1 MB
Page 131 of 524

Parking Over Things That Burn
{CAUTION:
Things that can burn could touch hot exhaust
parts under the vehicle and ignite. Do not park
over papers, leaves, dry grass, or other things that
can burn.
Engine Exhaust
{CAUTION:
Engine exhaust contains Carbon Monoxide (CO)
which cannot be seen or smelled. Exposure to CO
can cause unconsciousness and even death.
CAUTION: (Continued)
CAUTION: (Continued)
Exhaust may enter the vehicle if:
The vehicle idles in areas with poor ventilation
(parking garages, tunnels, deep snow that
may block underbody air ow or tail pipes).
The exhaust smells or sounds strange or
different.
The exhaust system leaks due to corrosion or
damage.
The vehicle’s exhaust system has been
modi ed, damaged or improperly repaired.
There are holes or openings in the vehicle
body from damage or after-market
modi cations that are not completely sealed.
If unusual fumes are detected or if it is suspected
that exhaust is coming into the vehicle:
Drive it only with the windows
completely down.
Have the vehicle repaired immediately.
Never park the vehicle with the engine running in an
enclosed area such as a garage or a building that
has no fresh air ventilation.
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Page 132 of 524

Running the Vehicle While Parked
It is better not to park with the engine running. But if you
ever have to, here are some things to know.
{CAUTION:
Idling a vehicle in an enclosed area with poor
ventilation is dangerous. Engine exhaust may
enter the vehicle. Engine exhaust contains Carbon
Monoxide (CO) which cannot be seen or smelled.
It can cause unconsciousness and even death.
Never run the engine in an enclosed area that
has no fresh air ventilation. For more information,
seeEngine Exhaust on page 2-45.
{CAUTION:
It can be dangerous to get out of the vehicle
if the automatic transmission shift lever is not
fully in P (Park) with the parking brake rmly set.
CAUTION: (Continued)
CAUTION: (Continued)
The vehicle can roll. Do not leave the vehicle
when the engine is running unless you have to.
If you have left the engine running, the vehicle can
move suddenly. You or others could be injured.
To be sure the vehicle will not move, even when
you are on fairly level ground, always set the
parking brake and move the shift lever to P (Park).
{CAUTION:
Full-time four-wheel drive vehicles with the transfer
case in (N) Neutral will allow the vehicle to roll,
even if the automatic transmission shift lever is in
P (Park). So, be sure the transfer case is in a
drive gear — not in (N) Neutral. Always set the
parking brake.
Follow the proper steps to be sure the vehicle will not
move. SeeShifting Into Park on page 2-43.
If pulling a trailer, seeTowing a Trailer on page 4-55.
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Page 133 of 524

Mirrors
Automatic Dimming Rearview Mirror
The vehicle has an automatic dimming rearview
mirror. It may also have an OnStar®system. OnStar
control buttons are located at the bottom of the mirror.
SeeOnStar
®System on page 2-54for more
information about the services OnStar provides.
O(On/Off):Press to turn the automatic dimming
feature on or off.
Your vehicle may also have a Rear Vision Camera.
SeeRear Vision Camera (RVC) on page 2-50for more
information.
Cleaning the Mirror
Do not spray glass cleaner directly on the mirror.
Use a soft towel dampened with water.
Outside Power Foldaway Mirrors
If your vehicle has outside
power foldaway mirrors,
the controls are located on
the driver’s door armrest.
Mirror Adjustment
1. Press (A) or (B) to select the driver or passenger
side mirror.
2. Press one of the four arrows located on the control
pad to move the mirror to the desired position.
3. Adjust each outside mirror so that a little of the
vehicle and the area behind can be seen.
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