2010 Dodge Ram 1500 Regular Cab Owner Manual - Page 338

336 STARTING AND OPERATING The locking axles are controlled by the axle locker switch. To lock the rear axle, place the vehicle in 4LO. Refer to "Four Wheel Drive Operation" in "Starting and OperatThe switch has three positions, AXLE UNLOCK, REAR ing" for further information. Move the axle locker switch LOCK, and FRONT/REAR LOCK. Under normal drivposition to REAR LOCK while traveling less than 3 mph ing conditions, the switch should be left in the AXLE (5 km/h). The RR indicator light will remain on when the UNLOCK position. In the AXLE UNLOCK position, the rear axle is locked. front and rear axles are unlocked. In the REAR LOCK position, the rear axle is locked. In the FRONT/REAR NOTE: Left to right wheel speed difference may be LOCK position, the front and rear axles are locked. necessary to allow the axle to fully lock. If the indicator light is flashing after placing the switch in the REAR NOTE: Even when the axles are in the AXLE UNLOCK LOCK or FRONT/REAR LOCK position, drive the veposition, the limited slip differential in the rear axle still hicle in a turn or on loose gravel to expedite the locking provides torque biasing capability for moderate low action. traction environments. During the command to lock the axle, the indicator light will flash until the axle is locked. After the lock command has been successfully executed, the light will remain on solid.