2007 HUMMER H3 check engine

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Page 317 of 480

HUMMER H3 2007  Owners Manual The malfunction indicator lamp may turn on and
your vehicle may fail a smog-check test. See
Malfunction Indicator Lamp on page 186. If this
occurs, return to your authorized GM dealer for
diagnosis. I

Page 318 of 480

HUMMER H3 2007  Owners Manual Fuels in Foreign Countries
If you plan on driving in another country outside
the United States or Canada, the proper fuel may
be hard to �nd. Never use leaded gasoline or
any other fuel not recommende

Page 321 of 480

HUMMER H3 2007  Owners Manual Checking Things Under
the Hood
{CAUTION:
An electric fan under the hood can start up
and injure you even when the engine is not
running. Keep hands, clothing, and tools
away from any underhood electri

Page 323 of 480

HUMMER H3 2007  Owners Manual A. Windshield Washer Fluid Reservoir. See
“Adding Washer Fluid” underWindshield
Washer Fluid on page 346.
B. Engine Coolant Recovery Tank. SeeEngine
Coolant on page 335.
C. Engine Air Cleaner/Filt

Page 326 of 480

HUMMER H3 2007  Owners Manual If you are in an area of extreme cold, where the
temperature falls below−20°F (−29°C), it is
recommended that you use either an SAE 5W-30
synthetic oil or an SAE 0W-30 oil. Both will
provide eas

Page 329 of 480

HUMMER H3 2007  Owners Manual {CAUTION:
Operating the engine with the air
cleaner/�lter off can cause you or others
to be burned. The air cleaner not only
cleans the air; it helps to stop �ames if
the engine back�res. If it is not

Page 330 of 480

HUMMER H3 2007  Owners Manual If you do it yourself, be sure to follow all the
instructions here, or you could get a false reading
on the dipstick.
Notice:Too much or too little �uid can
damage your transmission. Too much can
mean

Page 331 of 480

HUMMER H3 2007  Owners Manual 3. With your foot on the brake pedal, move the
shift lever through each gear range, pausing
for about three seconds in each range.
Then, position the shift lever in PARK (P).
4. Let the engine run at