2009 Dodge Ram 3500 Pickup Owner Manual - Page 282

280 STARTING AND OPERATING The locking axles are controlled by the axle locker switch located on the center console. front and rear axles are unlocked. In the REAR LOCK position, the rear axle is locked. In the FRONT/REAR LOCK position, the front and rear axles are locked. NOTE: Even when the axles are in the AXLE UNLOCK position, the limited slip differential in the rear axle still provides torque biasing capability for moderate low 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. To lock the rear axle, place the vehicle in 4LO. Refer to "Four Wheel Drive Operation" in this section of the manual. Move the axle locker switch position to REAR LOCK while traveling less than 3 mph (5 km/h). The RR indicator light will remain on when the rear axle is locked. Locking Axle Switch The switch has three positions, AXLE UNLOCK, REAR LOCK, and FRONT/REAR LOCK. Under normal driving conditions, the switch should be left in the AXLE UNLOCK position. In the AXLE UNLOCK position, the