1998 Chevrolet Venture Owner's Manual - Page 150
1998 Chevrolet Venture Manual
Page 150 highlights
NOTICE: If your vehicle seems tostart up ratherslowly, or if it seems not to shift gears you as go faster, something maybe wrong with a transaxle system sensor. I f you drive veryfar that way, your So, if this happens, vehicle can be damaged. have your vehicle serviced rightaway. Until then, you can use SECOND (2) when you are driving (3) for less than 35 mph (55 km/h) and THIRD higher speeds. FIRST (1): This position givesyou even more power (but lower fuel economy) than SECOND (2). You can use it on very steep hills, or deep in snow or mud.If the selector lever is put in FIRST (l),the transaxle won't downshift into f i s t gear until the vehicle is going slow enough. NOTICE: If your frontwheels can't rotate, don't try to drive. This might happen if you were stuck in very deep sand or mud or were up againsta solid object. You could damage yourtransaxle. Also, if you stop whengoing uphill, don't hold your vehicle there with only the accelerator pedal. This couldoverheat and damage the PARK (P) transaxle. Use your brakes or shift into to holdyour vehicle in positionon a hill. 2-33