RAM 2011 Truck Chassis Cab Owner's Manual page 271

270 STARTING AND OPERATING
the transmission and display 5 (ERS 5 is the same as
normal fourth gear). Another tap down (-) will shift the
transmission down to ERS 4 (direct gear).
To exit ERS mode, press and hold the top of the switch/
shift lever in the (+) direction until "D" is once again
highlighted in the instrument cluster display.
WARNING!
Do not downshift for additional engine braking on a
slippery surface. The drive wheels could lose their
grip and the vehicle could skid.
Screen Display 1
Actual Gear(s) 1
Allowed
2 3 4 5
1-2 1-3 1-4 1-5
NOTE: To select the proper gear position for maximum
deceleration (engine braking), press and hold the ERS (-)
button. The transmission will shift to the lowest range
possible without overspeeding the engine.
Gear Ranges
Do not race the engine when shifting from PARK or
NEUTRAL position into another gear range.
PARK
This range supplements the parking brake by locking the
transmission. The engine can be started in this range.
Never use PARK while the vehicle is in motion. Apply
the parking brake when leaving the vehicle in this range.
D
Always apply the parking brake first, then place the shift
1-5
lever in the PARK position. On four-wheel drive vehicles,
be sure that the transfer case is in a DRIVE position.