1998 Pontiac Grand Prix Owner's Manual - Page 98

AUTOMATIC OVERDRIVE (D): This position is for normal driving. If your vehicle has overdrive, AUTOMATIC If OVERDRIVE (D) is the overdrive position. you need more powerfor passing, 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, pushthe accelerator pedalall the way down. You'll shift downto the next gearand have more power. THIRD (3): This position is also usedfor normal driving, but it offers more power and lower fuel economy than AUTOMATIC OVERDRIVE (D). Here are some times you might choose THIRD (3) instead of AUTOMATIC OVERDRIVE (D): When driving on hilly, winding roads. When towing a trailer,so there is less shifting between gears. 0 When going down a steep hill. NOTICE: If your vehicleseems to start up rather slowly, or if it seems not to shift gears as you go faster, something may be wrong with a transaxle system sensor. If you drive very far that way, your vehicle can be damaged. if this happens, have So, your vehicle serviced right away. Until then, you can use SECOND (2) when you are driving less than 35 mph (55 km/h) and AUTOMATIC OVERDRIVE (D) for higher speeds. 2-23