2012 Jeep Grand Cherokee Owner Manual - Page 449

STARTING AND OPERATING 447 Under normal driving conditions, the unit functions as a standard axle, balancing torque evenly between left and right wheels. With a traction difference between left and right wheels, the coupling will sense a speed difference. As one wheel begins to spin faster than the other, torque will automatically transfer from the wheel that has less traction, to the wheel that has traction. While the transfer Quadra-Driveா II System - If Equipped case and axle coupling differ in design, their operation is The optional Quadra-Drive௡ II System features two similar. Follow the Quadra-Trac II௡ transfer case shifting torque transfer couplings. The couplings include an information, preceding this section, for shifting this Electronic Limited-Slip Differential (ELSD) rear axle and system. the Quadra-Trac II௡ transfer case. The optional ELSD axle is fully automatic and requires no driver input to operate. NOTE: If shift conditions/interlocks are not met, a "To Tow Vehicle Safely, Read Neutral Shift Procedure in Owners Manual" message will flash from the Electronic Vehicle Information Center (EVIC). Refer to "Electronic Vehicle Information Center (EVIC)" in "Understanding Your Instrument Panel" for further information. 5