1993 Pontiac Grand Prix Owner's Manual - Page 64

I I Shift Light If you have a manual transaxle, you have a shift light. This light will show you when to shift to the next higher gear for bestfuel economy. When this light comes on, you can shift to the next higher gearif weather, road and trafficconditions letyou. For the best fuel economy,accelerate Shift to R (Reverse) only afteryour slowly and shift when thelight comes vehicle is stopped. Shifting to on. R (Reverse) while your vehicle is moving could damage your While you accelerate, it is normal for transaxle. the light to go on andoff if you quickly change the positionof the accelerator. Ignore the shift lightwhen you Use, use R (Reverse), alongwith the downshift. mlting brake, for parking your vehicle. Shift Speeds (IWANUAL TRANSAXLE) [ou cannot go from 5 (Fifth Gear) into R (Reverse). If you try, you will be to ocked out. You must first shift 1,2, 5 or 4 and then shift into R (Reverse). rhis is a safety feature. This chart shows when to shift to the next higher gear forthe best fuel economy. Acceleration ShiftSpeeds €or 3.4L (Code X) Engine: 1st to 2nd 17 mph ( 2 7 W h ) 2nd to 3rd 30 mph (48 km/h) 3rd to 4th 39 mph {63 km/h) 4thto5th 44 mph (71 km/h) If your speed drops below 20 mph 1 (32 W h ) , or if the engine is not running smoothly, you should downshift to thenext lower gear.You may have to downshift two or more gears to keep the engine running smoothly or for good performance.