RAM 2500 2023 Owner's Manual page 145

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In the event of a momentary problem, the transmission
can be reset to regain all forward gears by performing the
following steps:
NOTE:
In cases where the instrument cluster message indicates
the transmission may not re-engage after engine
shutdown, perform this procedure only in a desired
location (preferably, at an authorized dealer).
1.
Stop the vehicle.
2.
Shift the transmission into PARK, if possible. If not,
shift the transmission to NEUTRAL.
3.
Push and hold the ignition switch until the engine
turns off.
4.
Wait approximately 30 seconds.
5.
Restart the engine.
6.
Shift into the desired gear range. If the problem is no
longer detected, the transmission will return to
normal operation.
NOTE:
Even if the transmission can be reset, we recommend that
you visit an authorized dealer at your earliest possible conve-
nience. An authorized dealer has diagnostic equipment to
assess the condition of your transmission. If the transmission
cannot be reset, authorized dealer service is required.
Electronic Range Select (ERS) Operation
The ERS shift control allows the driver to limit the highest
available gear when the transmission is in DRIVE. For
example, if you set the transmission gear limit to FOURTH
gear, the transmission will not shift above FOURTH gear,
but will shift through the lower gears normally.
You can switch between DRIVE and ERS mode at any
vehicle speed. When the transmission gear selector is in
DRIVE, the transmission will operate automatically,
shifting between all available gears. Tapping the GEAR "–"
switch (on the steering wheel) will activate ERS mode,
display the current gear in the instrument cluster, and set
that gear as the top available gear.
Once in ERS mode, tapping the GEAR "–" or GEAR "+"
switch will change the top available gear.
ERS Control
1 — GEAR "+" Switch
2 — GEAR "–" Switch
To exit ERS mode, simply push and hold the GEAR "+"
switch until the gear limit display disappears from the
instrument cluster.
STARTING AND OPERATING
WARNING!
Do not downshift for additional engine braking on a
slippery surface. The drive wheels could lose their grip
and the vehicle could skid, causing a collision or
personal injury.
When to Use TOW/HAUL Mode
When driving in hilly areas, towing a trailer,
carrying a heavy load, etc., and frequent transmission
shifting occurs, push the TOW/HAUL switch to activate
TOW/HAUL mode. This will improve performance and
reduce the potential for transmission overheating or
failure due to excessive shifting.
TOW/HAUL Switch
The TOW/HAUL Indicator Light will illuminate in the
instrument cluster to indicate that TOW/HAUL mode has
been activated. Pushing the switch a second time restores
normal operation.
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