2010 Dodge Ram 1500 Regular Cab Owner Manual - Page 314

312 STARTING AND OPERATING through third gear are underdrive gears, and fourth gear is direct drive. ERS fifth gear (Overdrive) is the same as the normal fourth gear. When in the DRIVE position in first through fourth gear, the first tap down (-), will display the ERS designation for the current gear (the transmission will not downshift). For example, if you are in DRIVE and are in third (direct) gear, when you tap the shift lever/switch one time in the (-) direction, the display will show 4 (ERS 4 is direct gear). Another tap down (-) will shift the transmission down to ERS 3 (the added underdrive gear). When in the DRIVE position in fifth gear, the first tap down (-) will downshift Console Shift Lever the transmission and display 5 (ERS 5 is the same as On vehicles equipped with 4.7L or 5.7L engines, use of normal fourth gear). Another tap down (-) will shift the ERS (or TOW/HAUL mode) also enables an additional transmission down to ERS 4 (direct gear). underdrive gear which is not normally used during through-gear accelerations. This additional gear im- To exit ERS mode, press and hold the shift lever/switch proves vehicle performance and cooling capability when in the (+) position until "D" is once again highlighted in towing a trailer on certain grades. In ERS mode, first the instrument cluster display.