1998 Chevrolet Lumina Owner's Manual - Page 96

I NOTICE: Damage to your transaxle caused shifting out by of PARK (P) or NEUTRAL (N) with the engine racing isn't covered by your warranty. AUTOMATIC OVERDRIVE (GB): This positionis for normal driving.If you need more power passing, for and you're: Going less than 35 mph (55 km/h), push your accelerator pedal about halfway down. Going about 35 mph (55 km/h) or more, push the accelerator pedal all way down. the You'll shift down to the next gear and have more power. NOTICE: If your vehicle seems to start up rather slowly, or if it seems not to shift gears you go faster, as something may be wrong with your transaxle; (2). your vehicle may default to SECOND However if you drive veryfar that way, your vehicle can be damaged. So if this happens, have your vehicle serviced right away. Until then, you can use SECOND (2) when you are driving less than 35 mph (55 kmh) and AUTOMATIC for OVERDRIVE (0) higherspeeds. DRIVE (D): This position is also usedfor normal driving, butit offers more power and lower fuel economy than AUTOMATIC OVERDRIVE (@). Here are some times you might choose DRIVE (D) instead of AUTOMATIC OVERDRIVE () a: When driving on hilly, winding roads. 0 When towing a trailer, so thereis less shifting between gears. When going down a steep hill.