1993 Chevrolet Lumina Owner's Manual - Page 61
1993 Chevrolet Lumina Manual
Page 61 highlights
I NOT/CE Damage to your transaxle caused I Forward Gears (Automatic Overdrive): If your automatic transaxle has Automatic Overdrive, this position is for normal driving. If you need more powerfor passing, and you're: Going less than 35 mph (56 W h ) , push your accelerator pedal about halfway down. Going about 35 mph (56 l d h ) or more, push the accelerator allthe way down. You'll shift downto thenext gear and have more power. This NOTICE applies onlyif you have an automatic Overdrive transaxle. If your vehicle is so equipped, and if it seems to sta up rather slowly, or if it seems to shift gears as you go faster, something may be wrongwith transaxle system sensor. If you drive very farthat way, your vehicle can be damaged. So, if this happens, have your vehicle sesced'right away. Untilthen, you can use 2 (Second Gear) when you are driving lessthan 35 mph (56 lun/h) and [DI (Overdrive) for I I