Buick 2001 Regal Owner's Manual page 98

THIRD (3): This position is also used for normal
driving, but it offers more power and lower fuel
economy than AUTOMATIC OVERDRIVE (
Here are some times you might choose THIRD (3)
instead of AUTOMATIC OVERDRIVE (
D
When driving on hilly, winding roads.
D
When towing a trailer, so there is less shifting
between gears.
D
When going down a steep hill.
D
-
When driving in no highway scenarios
(i.e. city streets, etc.)
SECOND (2): This position gives you more power but
lower fuel economy. You can use SECOND (2) on hills.
B
). It can help control your speed as you go down steep
mountain roads, but then you would also want to use
B
your brakes off and on.
):
NOTICE:
Don't drive in SECOND (2) for more than
25 miles (40 km), or at speeds over 55 mph
(90 km/h), or you can damage your transaxle.
Use AUTOMATIC OVERDRIVE (
THIRD (3) as much as possible.
Don't shift into SECOND (2) unless you are going
slower than 65 mph (105 km/h), or you can
damage your engine.
B
) or
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