RAM 2500 2021, Owner'S Manual

Page: 26 / 504

24 GETTING TO KNOW YOUR VEHICLE
Manual Temperature Control (MTC) — If
Equipped

In ambient temperatures of 40°F (4.5°C) or
below, the climate settings will default to
maximum heat, with fresh air entering the
cabin. If the front defrost timer expires, the
vehicle will enter Mix Mode.

In ambient temperatures from 40°F (4.5°C)
to 78°F (26°C), the climate settings will be
based on the last settings selected by the
driver.

In ambient temperatures of 78°F (26°C) or
above, the climate settings will default to
MAX A/C, Bi-Level mode, with Recirculation
on.
For more information on ATC, MTC, and climate
control settings, see
Ú
page 59.
NOTE:
These features will stay on through the duration
of Remote Start, or until the ignition is placed in
the ON/RUN position. The climate control
settings will change, and exit the automatic
defaults, if manually adjusted by the driver
while the vehicle is in Remote Start mode. This
includes turning the climate controls off using
the OFF button.
R
EMOTE
S
TART
A
BORT
M
ESSAGE
The following messages will display in the
instrument cluster display if the vehicle fails to
remote start, or exits Remote Start prematurely:

Remote Start Cancelled — Door Open

Remote Start Cancelled — Hood Open

Remote Start Cancelled — Fuel Low

Remote Start Cancelled — Time Expired

Remote Start Disabled — Start Vehicle to
Reset
The message will stay active until the ignition is
placed in the ON/RUN position.
REMOTE START— IF EQUIPPED (DIESEL)
This system uses the key fob to start
the engine conveniently from outside
the vehicle while still maintaining
security. The system has a range of
approximately 300 ft (91 m).
Remote Start is used to defrost windows in cold
weather, and to reach a comfortable climate in
all ambient conditions before the driver enters
the vehicle.
NOTE:

Obstructions between the vehicle and the
key fob may reduce this range.

The Remote Start system will wait for the
Wait To Start Indicator Light to extinguish
before cranking the engine. This allows time
for the engine pre-heat cycle to pre-heat the
cylinder air, and is normal in cold weather.
For further information on the Wait To Start
Indicator Light and the pre-heat cycle, see
Ú
page 132.
H
OW
T
O
U
SE
R
EMOTE
S
TART
Push and release the Remote Start button on
the key fob twice within five seconds. The
vehicle doors will lock, the parking lights will
flash, and the horn will chirp twice (if
programmed). Then, the engine will start, and
the vehicle will remain in the Remote Start
mode for a 15 minute cycle.
Pushing the Remote Start button a third time
shuts the engine off.
To drive the vehicle, push the unlock button,
insert the key into the ignition, and turn to the
ON/RUN position.
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