1998 Buick Century Owner's Manual - Page 101

SECOND (2): This position gives you more power but lower fuel economy. 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. FIRST (1): This position gives you even more power (but lower fuel economy) than SECOND ( 2 ) .You can use it on very steep hills, or in deep snow or mud. If the shift lever is put in FIRST (l), the transaxle won't shift into first gearuntil the vehicle is going slowly enough. I NOTICE: Don't drive in SECOND for more than (2) 25 miles (40 km), or at speeds over55 mph (90 km/h), or you can damage your transaxle. (@) Use AUTOMATIC OVERDRIVE or THIRD (3) as much aspossible. Don't shift into SECOND(2) unless you are going slower than65 mph (105 kmh), oryou can damage your engine. I NOTICE: If your frontwheels can't rotate, don't try to drive. This might happenif you were stuck in a solid very deep sand or mud or were up against object. You could damage your transaxle. Also, if you stop when going uphill, don't hold your vehicle there with the accelerator only pedal. This could overheat and damage the PARK (P) transaxle. Use your brakes or shift into to hold your vehicle in position a hill. on 2-25