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Buick 1998 Riviera Owner's Manual page 92

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AUTOMATIC OVERDRIVE
( a ) :
This position is
for normal driving. If you need more power for passing,
and you're:
Going less than approximately 35 mph (55
km/h),
push your accelerator pedal about halfway down.
0
Going about 35 mph (55
km/h)
or more, push the
accelerator all the way down.
You'll shift down to the next gear and have more power.
THIRD (3): This position is also used for normal
driving, however, it offers more power and lower fuel
economy than AUTOMATIC OVERDRIVE (@).
Here are some times you might choose THIRD ( 3 )
instead of AUTOMATIC OVERDRIVE
(a):
0
When driving on hilly, winding roads,
0
When towing a trailer, so there is less shifting
0
When going down a steep hill.
between gears, or
SECOND
(2): This position gives you more power
but lower fuel economy than AUTOMATIC
OVERDRIVE
(@)
or THIRD (3). 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 drive i n SECOND (2) for more
than
25
miles
(41
km),
or at speeds over 55 mph (88
km/h),
or
you
can
damage your transaxle. Use AUTOMATIC
OVERDRIVE
(0)
or THIRD (3)
as
much
as possible.
Don't shift into SECOND (2) unIess
y6u
iWe=going
slower than 65 mph (105 km/h), or you can
damage your engine.
2-25

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