heating DODGE RAM 4500 CHASSIS CAB 2009 4.G Owners Manual

CAUTION!
•Many accessories that can be plugged in draw
power from the vehicle’s battery, even when not in
use (i.e., cellular phones, etc.). Eventually, if
plugged in long enough, the vehicle’s battery will
discharge sufficiently to degrade battery life
and/or prevent engine starting.
•Accessories that draw higher power (i.e., coolers,
vacuum cleaners, lights, etc.), will discharge the
battery even more quickly. Only use these inter-
mittently and with greater caution.
•After the use of high power draw accessories, or
long periods of the vehicle not being started (with
accessories still plugged in), the vehicle must be
driven a sufficient length of time to allow the
generator to recharge the vehicle’s battery.
CIGAR LIGHTER AND ASH RECEIVER
The removable ash receiver is located in the instrument
panel cupholder tray.
The cigar lighter is located on the instrument panel,
above and to the left of the ash receiver.
As a child safety precaution, the lighter only operates
with the ignition switch ON. It heats when pushed in and
pops out automatically when ready for use.To preserve
the heating element, do not hold the lighter in the
heating position.
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 145
3

Video Entertainment System™ (Sales Code
XRV) — If Equipped .................... 201
 Remote Sound System Controls —
If Equipped .......................... 201
▫ Radio Operation ..................... 202
▫ Tape Player ........................ 202
▫ CD Player ......................... 202
 CD/DVD Maintenance ................. 203
 Radio Operation And Cellular Phones ....... 203
Climate Controls ...................... 204
▫ Heater Only — If Equipped ............. 204
▫ Air Conditioning And Heating —
If Equipped ........................ 207
▫ Air Conditioning With Dual Zone
Temperature Control — If Equipped ....... 210
▫ Operating Tips ...................... 214
▫ Operating Tips Chart ................. 216
UNDERSTANDING YOUR INSTRUMENT PANEL 159
4

CLIMATE CONTROLS
The controls for the heating and ventilation system in this
vehicle consist of a series of rotary knobs. These comfort
controls can be set to obtain desired interior conditions.
Heater Only — If Equipped
The mode control (at the right of the
control panel) can be set in any of the
following positions:
Climate Control Location
Manual Heating Controls
204 UNDERSTANDING YOUR INSTRUMENT PANEL

Air Conditioning and Heating — If Equipped
Air Conditioning Operation
To turn on the air conditioning, set the fan
control at any speed and press the snowflake
button located at the right of the control panel.
Conditioned air will be directed through theoutlets selected by the mode control. A light in the
snowflake button shows that the air conditioning is on.
Press the button a second time to turn the air condition-
ing off.
Slight changes in engine speed or power may be noticed
when the air conditioning compressor is on. This is a
normal occurrence, as the compressor will cycle on and
off to maintain comfort and increase fuel economy.
The mode control (at the right of the
control panel) can be set in any of the
following positions:
Air Conditioning And Heating
UNDERSTANDING YOUR INSTRUMENT PANEL 207
4

Air Conditioning With Dual Zone Temperature
Control — If Equipped
With the Dual Zone Temperature Control System, each
front seat occupant can independently control the tem-
perature of air coming from the outlets on their side of
the vehicle.
Air Conditioning and Heating Operation
To turn on the air conditioning, set the fan control at any
speed and press the snowflake button located on the
control panel. Conditioned air will be directed through
the outlets selected by the mode control. A light in the
snowflake button shows that the air conditioning is on.
Press the button a second time to turn the air condition-
ing off.
A/C Push-button
With the fan control in the ON posi-
tion, pushing the A/C button turns on
the air conditioning compressor. An
indicator light on the button shows
that the air conditioning compressor is
on. Conditioned air is now directed
through the mode outlets selected.
Pushing the button a second time turns the compressor
OFF.
Dual Zone Control Head
210 UNDERSTANDING YOUR INSTRUMENT PANEL

smoke, perfumes, etc.) from sticking to the windows.
Contaminates increase the rate of window fogging.
Summer Operation
Air conditioned vehicles must be protected with a high
quality antifreeze coolant during summer to provide
proper corrosion protection and to raise the boiling point
of the coolant for protection against overheating. A 50 %
concentration is recommended. Refer to ”Engine Cool-
ant” under “ Fluids, Lubricants and Genuine Parts” in
section 7.
When using the air conditioner in extremely heavy traffic
in hot weather, especially when towing a trailer, addi-
tional engine cooling may be required. If this situation is
encountered, operate the transmission in a lower gear to
increase engine RPM, coolant flow and fan speed. When
stopped in heavy traffic, it may be necessary to shift into
NEUTRAL and depress the accelerator slightly for fast
idle operation to increase coolant flow and fan speed.Your air conditioning system is also equipped with an
automatic recirculation system. When the system senses
a heavy load or high heat conditions, it may use partial
Recirculation A/C mode to provide additional comfort.
Winter Operation
When operating the system during the winter months,
make sure the air intake, located directly in front of the
windshield, is free of ice, slush, snow, or other
obstructions.
UNDERSTANDING YOUR INSTRUMENT PANEL 215
4

STARTING PROCEDURES
Before starting your vehicle, adjust your seat, adjust both
inside and outside mirrors, and fasten your seat belts.
The starter should not be operated for more than 15-
second intervals. Waiting a few seconds between such
intervals will protect the starter from overheating.
WARNING!
•Be sure to turn off the engine and remove the key
from the ignition switch if you want to rest or
sleep in your vehicle. Accidents can be caused by
inadvertently moving the shift lever or by press-
ing the accelerator pedal. This may cause excessive
heat in the exhaust system, resulting in overheat-
ing and vehicle fire which may cause serious or
fatal injuries.(Continued)
WARNING! (Continued)
•Do not leave children or animals inside parked
vehicles in hot weather. Interior heat buildup may
cause serious injury or death.
Normal Starting
Normal starting of either a warm or cold engine is
obtained without pumping or depressing the accelerator
pedal. Turn the key to the START position and release
when the engine starts. If the engine fails to start within
10 seconds, turn the key to the OFF position, wait five
seconds, then repeat the starting procedure.
Automatic Transmission
Start the engine with the shift lever in the NEUTRAL or
PARK position. Apply the brake before shifting to any
driving range.
STARTING AND OPERATING 221
5

The transmission will downshift from Overdrive to
DRIVE if the accelerator pedal is fully depressed at
vehicle speeds above approximately 35 mph (56 km/h).
When To Use “TOW HAUL” and “O/D OFF”
Modes
When driving in hilly areas, towing a trailer, carrying a
heavy load, etc., and frequent transmission shifting oc-
curs, press the “TOW HAUL O/D OFF” button once to
select TOW HAUL.This will improve performance and reduce the potential
for transmission overheating or failure due to excessive
shifting. When operating in “TOW HAUL” mode, 5th
gear (if equipped) is disabled and 2-3 and 3-4 shift
patterns are modified. Shifts into Overdrive (4th gear) are
allowed during steady cruise (for improved fuel
Tow Haul O/D Off Switch
228 STARTING AND OPERATING

WARNING!
•Always fully apply the parking brake when leav-
ing your vehicle, or it may roll and cause damage
or injury. Also be certain to leave the transmission
in PARK. Failure to do so may allow the vehicle to
roll and cause damage or injury.
•Never leave children alone in a vehicle. Leaving
unattended children in a vehicle is dangerous for a
number of reasons. A child or others could be
seriously or fatally injured. Do not leave the key in
the ignition. A child could operate power win-
dows, other controls, or move the vehicle.
•Be sure the parking brake is fully disengaged
before driving, failure to do so can lead to brake
problems due to excessive heating of the rear
brakes.When parking on a hill, turn the front wheels toward the
curb on a downhill grade and away from the curb on an
uphill grade.
The parking brake should always be applied whenever
the driver is not in the vehicle.
BRAKE SYSTEM
If power assist is lost for any reason (for example,
repeated brake applications with the engine off), the
brakes will still function. However, you will experience a
substantial increase in braking effort to stop the vehicle.
If either the front or rear hydraulic systems lose normal
capability, the remaining system will still function with
some loss of overall braking effectiveness. This will be
evident by increased pedal travel during application,
greater pedal force required to slow or stop, and activa-
tion of the BRAKE warning light and the ABS light (if
equipped) during brake use.
STARTING AND OPERATING 255
5

NOTE:Check the automatic transmission fluid level
before towing.
Towing Tips — Tow/Haul (If Equipped)
To reduce potential for automatic transmission overheat-
ing, turn the “TOW HAUL OD/OFF” feature ON when
driving in hilly areas or shift the transmission to Drive
position 2 on more severe grades.
Towing Tips — Electronic Speed Control (If
Equipped)

Do not use in hilly terrain or with heavy loads.
When using the speed control, if you experience speed
drops greater than 10 mph (16 km/h), disengage until
you can get back to cruising speed.
Use speed control in flat terrain and with light loads to
maximize fuel efficiency.
Towing Tips — Cooling System
To reduce potential for engine and transmission over-
heating, take the following actions:
City Driving
When stopped for short periods of time, put transmission
in NEUTRAL and increase engine idle speed.
Highway Driving
Reduce speed.
Air Conditioning
Turn off temporarily.
SNOWPLOW
Snowplow Prep Packages are available as a factory
installed option. These packages include components
necessary to equip your vehicle with a snowplow.
NOTE: Before installation of a snowplow it is highly
recommended that the owner/installer obtain and follow
the recommendations contained within the current
300 STARTING AND OPERATING