1999 GMC Jimmy Owner's Manual - Page 95

yellowblue Shifting to 4LO To shift to 4LO, the vehicle's engine must be running and the vehicle must be stopped or moving less than 3 mph (4.8 km/h) with the transmission in NEUTRAL (N) or with the clutch pedal pressed for vehicles with manual transmission. The preferred method for shifting into 4LO is to have your vehicle moving 1 or 2 mph (1.6 to 3.2 km/h). Press and release the 4LO switch. You must wait for the 4LO indicator light to stop flashing and remain illuminated before shifting your transmission into gear. If the 4LO switch is pressed when your vehicle is in gear and/or moving, the 4LO indicator light will flash for 30 seconds and not complete the shift unless your vehicle is moving less than 3 mph (4.8 km/h) and the transmission is in NEUTRAL (N) or with the clutch pedal pressed for vehicles with manual transmission. After 30 seconds, the transfer case will return to the setting last chosen. Shifting Out of 4LO To shift from 4LO to 4HI, AUTO 4WD or 2HI, your vehicle must be stopped or moving less than 3mph (4.8 km/h) with the transmission in NEUTRAL (N), or with the clutch pedal pressed for vehicles with manual transmission, and the engine running. The preferred method for shifting out of 4LO is to have your vehicle moving 1 or 2 mph (1.6 to 3.2 km/h). Press and release the 4HI, AUTO 4WD or 2HI switch. You must wait for the 4HI, AUTO 4WD or 2HI indicator light to stop flashing and remain illuminated before shifting your transmission into gear. If the 4HI, AUTO 4WD or 2HI switch is pressed when your vehicle is in gear and/or moving, the 4HI, AUTO 4WD or 2HI indicator light will flash for 30 seconds but will not complete the shift unless your vehicle is moving less than 3mph (4.8 km/h) with the transmission in NEUTRAL (N) or with the clutch pedal pressed for vehicles with manual transmission. 2-31