1997 Buick Riviera Owner's Manual - Page 87

AUTOMATIC OVERDRIVE This position is for normal driving.If you need more power passing, for and you're: Going less than approximately 35 mph (56 km/h), push your accelerator pedal about halfway down. Going about 35 mph (56 km/h) or more, push the accelerator all the way down. You'll shift downto the next gear and have more power. THIRD (3): This positionis also used for normal ,driving, however, offers more power and lower it fuel ( )Here !economy than AUTOMATIC OVERDRIVE a . (3) -are some times you might choose THIRD instead of AUTOMATIC OVERDRIVE(@): When driving on hilly, winding roads, When towing a trailer, so there is less shifting between gears, or When going down a steep hill. () a: SECOND (2): This position gives you more power but OVERDRIVE (@) lower fuel economy than AUTOMATIC or THIRD (3).You can use SECOND on hills. It can help (2) as control your speedyou go down steep mountain roads, but off then you would also want to use your brakes and on. NOTICE: Don't drive inSECOND (2) for more than 25 miles (41 km), or at speeds over55 mph (88 km/h), or you can damage your transaxle. Use AUTOMATIC OVERDRIVE (@)or 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 yourengine.