1999 Buick Riviera Owner's Manual - Page 88

yellowblue AUTOMATIC OVERDRIVE ( ): This position is for normal driving. If you need more power for passing, and you're: B D Going less than approximately 35 mph (55 km/h), push your accelerator pedal about halfway down. accelerator all the way down. D Going about 35 mph (55 km/h) or more, push the 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 ( ): 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. B NOTICE: Don't drive in 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 ( ) 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 your engine. B D when driving on hilly, winding roads, D when towing a trailer, so there is less shifting between gears, or B B D when going down a steep hill. 2-26