Pontiac Vibe 2003 Owner's Manual page 89

DRIVE (D): This position is for normal driving. If you
need more power for passing, and you're:
D
Going less than about 27 mph (43 km/h), push your
accelerator pedal about halfway down.
D
Going about 29 mph (47 km/h) or more, push your
accelerator pedal all the way down.
You'll shift down to the next gear and have more
power.
SECOND (2): This position gives you more power than
DRIVE (D) but lower fuel economy. You can use
SECOND (2) on hills. It can help control your speed as
you go down steep mountain roads, but then you would
also want to use your brakes off and on.
NOTICE:
Don't shift into SECOND (2) unless you are going
slower than 65 mph (105 km/h) for front
drive vehicles or 59 mph (96 km/h) for all
drive vehicles, or you can damage your engine.
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LOW (L): This position gives you even more power
than SECOND (2) but lower fuel economy. You can use
it on very steep hills, or in deep snow or mud. If the shift
lever is put in LOW (L), the transaxle won't shift into
low gear until the vehicle is going slow enough.
NOTICE:
If your front wheels can't turn, don't try to drive.
This might happen if you were stuck in very deep
sand or mud or were up against a solid object.
You could damage your transaxle.
Also, if you stop when going uphill, don't hold
your vehicle there with only the accelerator
pedal. This could overheat and damage the
transaxle. Use your brakes to hold your vehicle in
position on a hill.
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