Chevrolet Metro 1999 Owner's Manual page 73

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 27 mph (43 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 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 70 mph (112 km/h); or you can
damage your engine.
LOW (L): This position gives you even more power but
lower fuel economy than SECOND (2). You can use it
on very steep hills, or in deep snow or mud. If the
selector lever is put in LOW (L), the transaxle won't
shift into low gear until the vehicle is going
slowly enough.
NOTICE:
If your front wheels can't rotate, 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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