2012 Jeep Wrangler Owner Manual - Page 396

394 STARTING AND OPERATING 4H to 4L or 4L to 4H WARNING! With the vehicle rolling at 2 to 3 mph (3 to 5 km/h), shift an automatic transmission into NEUTRAL (N), or press Failure to engage a position completely can cause the clutch pedal on a manual transmission. While the transfer case damage or loss of power and vehicle vehicle is coasting at 2 to 3 mph (3 to 5 km/h), shift the control. You could have a collision. Do not drive the transfer case lever firmly to the desired position. Do not vehicle unless the transfer case is fully engaged. pause with the transfer case in N (Neutral). Once the shift is completed, place the automatic transmission into TRAC-LOKா REAR AXLE - IF EQUIPPED DRIVE or release the clutch pedal on a manual transmis- The Trac-Lok௡ rear axle provides a constant driving force sion. to both rear wheels and reduces wheel spin caused by the NOTE: Shifting into or out of 4L is possible with the loss of traction at one driving wheel. If traction differs vehicle completely stopped; however, difficulty may oc- between the two rear wheels, the differential automaticur due to the mating teeth not being properly aligned. cally proportions the usable torque by providing more Several attempts may be required for clutch teeth align- torque to the wheel that has traction. ment and shift completion to occur. The preferred Trac-Lok௡ is especially helpful during slippery driving method is with the vehicle rolling at 2 to 3 mph (3 to conditions. With both rear wheels on a slippery surface, a 5 km/h). Avoid attempting to engage or disengage 4L slight application of the accelerator will supply maxiwith the vehicle moving faster than 2 to 3 mph (3 to mum traction. 5 km/h).