1998 Buick Regal Owner's Manual - Page 100

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 (1)' the transaxle won't shift into first gear until the vehicle is going slowly enough. Driver SelectableShift (If Equipped) Press the driver selectable shift button to allow the transaxle to shift at higher engine speeds,increasing acceleration performance. I NOTICE: If your frontwheels can't rotate, don't try to drive. This might happen you were stuckin if or a very deep sand mud or were up againstsolid object. You could damage your transaxle. Also, if you stop when going uphill, don't hold your vehicle there with only the accelerator pedal. This could overheat and damage the transaxle. Use your brakes or shift into PARK (P) to hold yourvehicle in positionon a hill. PERF SHIFT The PERF SHIFT light on your instrument panel cluster will glow when driver selectable shifting is being used. Downshifts will occur ata lower percentage of accelerator use while you're in the driver selectable shift mode. Press the button again to return to normal shifting. The transaxle will then shift at lower engine speeds, increasing fuel economy. 2-26