2009 Jeep Wrangler Owner's Manual - Page 294

292 STARTING AND OPERATING 4L Position This range locks the front and rear driveshafts together, forcing the front and rear wheels to rotate at the same speed. This range (4L) provides additional traction and maximum pulling power for loose, slippery road surfaces only. Do not exceed 25 mph (40 km/h). The "4WD Indicator Light" (located in the instrument cluster) will illuminate when the transfer case is shifted NOTE: Shifting into or out of 4L is possible with the into the 4L position. vehicle completely stopped; however, difficulty may occur due to the mating teeth not being properly aligned. Shifting Procedure Several attempts may be required for clutch teeth align2H to 4H or 4H to 2H ment and shift completion to occur. The preferred Shifting between 2H and 4H can be made with the method is with the vehicle rolling at 2 to 3 mph (3 to vehicle stopped or in motion. If the vehicle is in motion, 5 km/h). Avoid attempting to engage or disengage 4L shifts can be made up to 50 mph (80 km/h). With the with the vehicle moving faster than 2 to 3 mph (3 to vehicle in motion, the transfer case will engage/ 5 km/h). disengage faster if you momentarily release the accelerator pedal after completing the shift. Apply a constant force when shifting the transfer case lever. 4H to 4L or 4L to 4H With the vehicle rolling at 2 to 3 mph (3 to 5 km/h), shift an automatic transmission into NEUTRAL (N), or press the clutch pedal on a manual transmission. While the vehicle is coasting at 2 to 3 mph (3 to 5 km/h), shift the transfer case lever firmly to the desired position. Do not pause with the transfer case in N (Neutral).