1995 GMC Yukon Owner's Manual - Page 107

To shift into or out &WHEEL LOW (4L)or NEUTRAL(N): of Slow the vehicle to a roll, about mph (2-5 k d h ) and shift an 1-3 automatic transmission into neutral, or a manual transmission with press the clutch pedal. Shift the transfer case shift lever in one continuous motion. Don't pause in NEUTRAL (N) as you shift the transfer case into 4-WHEEL LOW (4L), or your gears could clash. Remember that driving 4-WHEEL HIGH (4H) or 4-WHEEL LOW (4L) in may reduce fuel economy. Also, driving four-wheel drive on dry in pavement could cause your tires wear faster and make to your transfer case harder to shift. Front AxleLocking Feature The front axle locks and unlocks automatically when you shift the transfer case. Some delay for the axle to lock or unlock is normal. outside If the temperature is very hot, or the vehicle been used under hard driving has conditions, theremay be a slight delay for the axle to unlock. Windows To open your manual windows, turn the hand crank on each or door to raise lower your side door windows. 2-35