engine Ram ProMaster City 2020 Owner's Guide
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SAFETY 101
Electronic Roll Mitigation (ERM)
Electronic Roll Mitigation (ERM) anticipates the potential for
wheel  lift  by  monitoring  the  driver’s  steering  wheel  input
and the speed of the vehicle. When ERM determines that the
rate  of  change  of  the  steering  wheel  angle  and  vehicle’s
speed  are  sufficient  to  potentially  cause  wheel  lift,  it  then
applies  the  appropriate  brake  and  may  also  reduce  engine
power to lessen the chance that wheel lift will occur.
ERM  can  only  reduce  the  chance  of  wheel  lift  occurring
during  severe  or  evasive  driving  maneuvers;  it  cannot
prevent  wheel  lift  due  to  other  factors,  such  as  road
conditions, leaving the roadway, or striking objects or other
vehicles.Hill Start Assist (HSA)  
Hill Start Assist (HSA) is designed to assist the driver when
starting a vehicle from a stop on a hill. HSA will maintain the
level of brake pressure the driver applied for a short period
of time after the driver takes their foot off of the brake pedal.
If  the  driver  does  not  apply  the  throttle  during  this  short
period of time, the system will release brake pressure and the
vehicle will roll down the hill. The system will release brake
pressure  in  proportion  to  the  amount  of  throttle  applied  as
the vehicle starts to move in the intended direction of travel.
HSA Activation Criteria
The  following  criteria  must  be  met  in  order  for  HSA  to
activate:
• The vehicle must be stopped.
• The  vehicle  must  be  on  a  5%  (approximate)  grade  or
greater hill.
• Gear  selection  matches  vehicle  uphill  direction  (i.e., vehicle  facing  uphill  is  in  forward  gear;  vehicle  backing
uphill is in REVERSE (R) gear).
HSA  will  work  in  REVERSE  and  all  forward  gears  when  the
activation criteria have been met. The system will not activate if
the vehicle is placed in NEUTRAL (N) or PARK (P).
WARNING!
Many  factors,  such  as  vehicle  loading,  road  conditions
and  driving  conditions,  influence  the  chance  that  wheel
lift or rollover may occur. ERM cannot prevent all wheel
lift or roll overs, especially those that involve leaving the
roadway  or  striking  objects  or  other  vehicles.  The
capabilities  of  an  ERM-equipped  vehicle  must  never  be
exploited in a reckless or dangerous manner which could
jeopardize the user's safety or the safety of others.
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102 SAFETY
Traction Control System (TCS)
The  Traction  Control  System  (TCS)  monitors  the  amount  of
wheel  spin  of  each  of  the  driven  wheels.  If  wheel  spin  is
detected,  brake  pressure  is  applied  to  the  slipping  wheel(s)
and engine power is reduced to provide enhanced accelera-
tion and stability. A feature of the TCS system, Brake Limited
Differential  (BLD),  functions  similar  to  a  limited  slip  differ -
ential and controls the wheel spin across a driven axle. If one
wheel on a driven axle is  spinning faster  than  the other, the
system will apply the brake of the spinning wheel. This will
allow  more  engine  torque to  be  applied to  the  wheel  that  is
not  spinning.  This  feature  remains  active  even  if  TCS  and
ESC are in the Partial Off mode. Refer to “Electronic Stability
Control (ESC)” in this section for further information. Trailer Sway Control (TSC) — If Equipped 
Trailer  Sway  Control  (TSC)  uses  sensors  in  the  vehicle  to
recognize  an  excessively  swaying  trailer  and  will  take  the
appropriate actions to attempt to stop the sway. The system
may reduce engine power and apply the brake of the appro
-
priate wheel(s) to counteract the sway of the trailer. TSC will
become  active  automatically  once  an  excessively  swaying
trailer is recognized.
NOTE:
TSC  cannot  stop  all  trailers  from  swaying.  Always  use
caution  when  towing  a  trailer  and  follow  the  trailer  tongue
weight  recommendations.  Refer  to  “Trailer  Towing”  in
“Starting And Operating” for further information.
When TSC is functioning, the “ESC Activation/Malfunction
Indicator Light” will flash, the engine power may be reduced
and  you  may  feel  the  brakes  being  applied  to  individual
wheels  to  attempt  to  stop  the  trailer  from  swaying.  TSC  is
disabled when the ESC system is in the “Partial Off” mode.
WARNING!
There  may  be  situations  on  minor  hills  with  a  loaded
vehicle,  or  while  pulling  a  trailer,  when  the  system  will
not  activate  and  slight  rolling  may  occur.  This  could
cause  a  collision  with  another  vehicle  or  object.  Always
remember  the  driver  is  responsible  for  braking  the
vehicle.
WARNING!
If  TSC  activates  while  driving,  slow  the  vehicle  down,
stop  at  the  nearest  safe  location,  and  adjust  the  trailer
load to eliminate trailer sway.
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SAFETY 121
• Supplemental Side Air Bags
• Supplemental Knee Air Bags
• Front and Side Impact Sensors
• Seat Belt Pretensioners
Air Bag Warning Light
The  Occupant  Restraint  Controller  (ORC)  monitors  the
readiness  of  the  electronic  parts  of  the  air  bag  system
whenever  the  ignition  switch  is  in  the  AVV/START  or
MAR/ACC/ON/RUN  position.  If  the  ignition  switch  is  in  the
STOP/OFF/LOCK position the air bag system is not on and the air
bags will not inflate.
The ORC contains a backup  power  supply  system that may
deploy the air bag system even if the battery loses power or
it becomes disconnected prior to deployment.
The  ORC  turns  on  the  Air  Bag  Warning  Light  in  the  instrument
panel for approximately four to eight seconds for a self-check when
the ignition switch  is in  the  MAR/ACC/ON/RUN position.  After
the self-check,  the Air Bag Warning Light will turn off. If the ORC
detects  a  malfunction in any part of the system, it turns on the Air
Bag  Warning  Light,  either  momentarily  or  continuously.  A  single
chime will sound to alert you if the light comes on again after initial
startup.
 The  ORC  also  includes  diagnostics  that  will  illuminate  the
instrument panel  Air Bag Warning Light if a  malfunction  is
detected that could affect the air bag system. The diagnostics
also  record  the  nature of  the  malfunction. While the  air bag
system  is  designed  to  be  maintenance  free,  if  any  of  the
following  occurs,  have  an  authorized  dealer  service  the  air
bag system immediately.
• The  Air  Bag  Warning  Light  does  not  come  on  during  the
four to eight seconds when the ignition switch is first in the
MAR/ACC/ON/RUN position.
• The  Air  Bag  Warning  Light  remains  on  after  the  four  to eight-second interval.
• The  Air  Bag  Warning  Light  comes  on  intermittently  or remains on while driving.
NOTE:
If the speedometer, tachometer, or any engine related gauges
are  not  working,  the  Occupant  Restraint  Controller  (ORC)
may also be disabled. In this condition the air bags may not
be  ready  to  inflate  for  your  protection.  Have  an  authorized
dealer service the air bag system immediately.
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SAFETY 131
Enhanced Accident Response System  
In  the  event  of  an  impact,  if  the  communication  network
remains intact, and the power remains intact, depending on
the  nature of  the  event,  the ORC  will  determine  whether  to
have  the  Enhanced  Accident  Response  System  perform  the
following functions:
• Cut off fuel to the engine (if equipped)
• Cut off battery power to the electric motor (if equipped)
• Flash hazard lights as long as the battery has power
• Turn on the interior lights, which remain on as long as thebattery has power or for 15 minutes from the intervention
of the Enhanced Accident Response System
• Unlock the power door locks
Your  vehicle  may  also  be  designed  to  perform  any  of  these
other  functions  in  response  to  the  Enhanced  Accident
Response System:
• Turn off the Fuel Filter Heater, Turn off the HVAC Blower Motor, Close the HVAC Circulation Door • Cut off battery power to the:
• Engine
• Electric Motor (if equipped)
• Electric Power Steering
• Brake booster
• Automatic transmission gear selector
• Horn
• Front wiper
NOTE:
After an accident, remember to cycle the ignition to the STOP
(OFF/LOCK) position and remove the key from the ignition
switch  to  avoid  draining  the  battery.  Carefully  check  the
vehicle for fuel leaks in the engine  compartment and on the
ground  near  the  engine  compartment  and  fuel  tank  before
resetting  the  system  and  starting  the  engine.  If  there  are  no
fuel  leaks  or  damage  to  the  vehicle  electrical  devices  (e.g.
headlights)  after  an  accident,  reset  the  system  by  following
the  procedure  described  below.  If  you  have  any  doubt,
contact an authorized dealer.
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132 SAFETY
(Continued)
Enhanced Accident Response System Reset Procedure
In  order  to  reset  the  Enhanced  Accident  Response  System
functions after an event, the ignition switch must be changed
from  ignition  AVV/START  or  MAR/RUN  to  ignition
STOP/OFF. Carefully  check the  vehicle  for  fuel  leaks in the
engine  compartment  and  on  the  ground  near  the  engine
compartment  and  fuel  tank  before  resetting  the  system  and
starting the engine.
Maintaining Your Air Bag System 
WARNING!
• Modifications  to  any  part  of  the  air  bag  system  could cause it to fail when you need it. You could be injured
if the air bag system is not there to protect you. Do not
modify  the  components  or  wiring,  including  adding
any kind of badges or stickers to the steering wheel hub
trim  cover  or  the  upper  passenger  side  of  the  instru -
ment  panel.  Do  not  modify  the  front  bumper,  vehicle
body  structure,  or  add  aftermarket  side  steps  or
running boards.
• It  is  dangerous  to  try  to  repair  any  part  of  the  air  bag system  yourself.  Be  sure  to  tell  anyone  who  works  on
your vehicle that it has an air bag system.
• Do  not  attempt  to  modify  any  part  of  your  air  bag system. The air bag may inflate accidentally or may not
function properly if modifications are made. Take your
vehicle  to  an  authorized  dealer  for  any  air  bag  system
service.  If  your  seat,  including  your  trim  cover  and
cushion,  needs  to  be  serviced  in  any  way  (including
removal  or  loosening/tightening  of  seat  attachment
bolts),  take  the  vehicle  to  an  authorized  dealer.  Only
manufacturer approved seat accessories may be used. If
it is necessary to modify the air bag system for persons
with disabilities, contact an authorized dealer.
WARNING!  (Continued)
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SAFETY 153
Transporting Pets   
Air Bags deploying in the front seat could harm your pet. An
unrestrained pet will be thrown about and possibly injured,
or injure a passenger during panic braking or in a collision.
Pets should be restrained in the rear seat (if equipped) in pet
harnesses or pet carriers that are secured by seat belts.
SAFETY TIPS   
Transporting Passengers
NEVER TRANSPORT PASSENGERS IN THE CARGO AREA.
Exhaust Gas    
The  best  protection  against  carbon  monoxide  entry  into  the
vehicle  body  is  a  properly  maintained  engine  exhaust
system.
WARNING!
• Do not leave children or animals inside parked vehicles in  hot  weather.  Interior  heat  build-up  may  cause
serious injury or death.
• It is extremely dangerous to ride in a cargo area, inside or outside of a vehicle. In a collision,  people  riding in  these
areas are more likely to be seriously injured or killed.
• Do not allow people to ride in any area of your vehicle that is not equipped with seats and seat belts.
• Be sure everyone in your vehicle is in a seat and using a seat belt properly.
WARNING!
Exhaust  gases  can  injure  or  kill.  They  contain  carbon
monoxide  (CO),  which  is  colorless  and  odorless.
Breathing  it  can  make  you  unconscious  and  can
eventually  poison  you.  To  avoid  breathing  (CO),  follow
these safety tips:
• Do not run the engine in a closed garage or in confined areas any longer than needed to move your vehicle in or
out of the area.
• If you are required to drive with the trunk/liftgate/rear doors open, make sure that all windows are closed and
the  climate  control  BLOWER  switch  is  set  at  high
speed. DO NOT use the recirculation mode.
• If  it  is  necessary  to  sit  in  a  parked  vehicle  with  the engine running, adjust your heating or cooling controls
to  force  outside  air  into  the  vehicle.  Set  the  blower  at
high speed.
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SAFETY 155
(Continued)
(Continued)
Floor Mat Safety Information
Always use floor mats designed to fit your vehicle. Only use
a floor  mat  that does  not  interfere  with the  operation of  the
accelerator, brake or clutch pedals. Only use a floor mat that
is securely attached using the floor mat fasteners so it cannot
slip  out of  position  and  interfere  with  the  accelerator,  brake
or  clutch  pedals  or  impair  safe  operation  of  your  vehicle  in
other ways.
WARNING!
An  improperly  attached,  damaged,  folded,  or  stacked
floor  mat,  or  damaged  floor  mat  fasteners  may  cause
your floor mat to interfere  with the accelerator, brake, or
clutch  pedals  and  cause  a  loss  of  vehicle  control.  To
prevent SERIOUS INJURY or DEATH:
• ALWAYS  securely  attach    your  floor  mat  using  the floor  mat  fasteners.  DO  NOT  install  your  floor  mat
upside down or turn your floor mat over. Lightly pull to
confirm mat is secured using the floor mat fasteners on
a regular basis.
• ALWAYS  REMOVE  THE  EXISTING  FLOOR  MAT FROM  THE  VEHICLE    before  installing  any  other
floor  mat.  NEVER  install  or  stack  an  additional  floor
mat on top of an existing floor mat.
• ONLY  install  floor  mats  designed  to  fit  your  vehicle.NEVER  install  a  floor  mat  that  cannot  be  properly
attached  and  secured  to  your  vehicle.  If  a  floor  mat
needs  to  be  replaced,  only  use  a  FCA  approved  floor
mat  for  the  specific  make,  model,  and  year  of  your
vehicle.
• ONLY  use  the  driver’s  side  floor  mat  on  the  driver’s side  floor  area.  To  check  for  interference,  with  the
vehicle  properly  parked  with  the  engine  off,  fully
depress the accelerator, the brake, and the clutch pedal
(if  present)  to  check  for  interference.  If  your  floor  mat
interferes  with  the  operation  of  any  pedal,  or  is  not
secure  to  the  floor,  remove  the  floor  mat  from  the
vehicle and place the floor mat in your trunk.
• ONLY  use  the  passenger’s  side  floor  mat  on  the passenger’s side floor area.
• ALWAYS make sure objects cannot fall or slide into the driver’s  side  floor  area  when  the  vehicle  is  moving.
Objects  can  become  trapped  under  accelerator,  brake,
or  clutch  pedals  and  could  cause  a  loss  of  vehicle
control.
WARNING!  (Continued)
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157
STARTING AND OPERATING
STARTING THE ENGINE 
Before  starting  your  vehicle,  adjust  your  seat,  adjust  both
inside and outside mirrors, and fasten your seat belts.
Automatic Transmission
The gear selector must be in the PARK (P) or NEUTRAL (N)
position  before  you  can  start  the  engine.  Press  the  brake
pedal before shifting to any driving gear.
NOTE:
You must press the brake pedal before shifting out of PARK.
Normal Starting
NOTE:
Normal starting of either a cold or a warm engine is obtained
without pumping or pressing the accelerator pedal.
Turn  the  ignition  switch  to  the  AVV  (START)  position  and
release  it  when  the  engine  starts.  If  the  engine  fails  to  start
within  10  seconds,  turn  the  ignition  switch  to  the  STOP
(OFF/LOCK) position, wait 10 to 15 seconds, then repeat the
“Normal Starting” procedure.
WARNING!
• Never leave  children  alone in  a  vehicle,  or with  access to an unlocked vehicle.
• Allowing  children  to  be  in  a  vehicle  unattended  is dangerous  for  a  number  of  reasons.  A  child  or  others
could  be  seriously  or  fatally  injured.  Children  should
be warned not to touch the parking brake, brake pedal
or the transmission gear selector.
• Do not leave the  key  fob in or  near the vehicle (or in  a location  accessible  to  children).  A  child  could  operate
power windows, other controls, or move the vehicle.
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158 STARTING AND OPERATING
Cold Weather Operation 
To  ensure  reliable  starting  at  low  temperatures,  use  of  an
externally  powered  electric  engine  block  heater  (available
from your authorized dealer) is recommended.
To  prevent  possible  engine  damage  while  starting  at  low
temperatures, this vehicle will inhibit engine cranking when
the ambient temperature is less than -31°F (-35° C) and the oil
temperature sensor reading indicates an engine block heater
has not been used. The message “plug in engine heater” will
be  displayed  in  the  instrument  cluster  when  the  ambient
temperature is below -25°F (-32° C) at the time the engine is
shut off as a reminder.
Extended Park Starting
NOTE:
Extended  Park  condition  occurs  when  the  vehicle  has  not
been started or driven for at least 30 days.
1. Install a battery charger or jumper cables to the battery toensure a full battery charge during the crank cycle.
2. Cycle  the  ignition  to  the  AVV/”START”  position  and release it when the engine starts. 3. If  the  engine  fails  to  start  within  ten  seconds,  cycle  the
ignition  to  the  STOP  (OFF/LOCK)  position,  wait  five
seconds  to  allow  the  starter  to  cool,  then  repeat  the
Extended Park Starting procedure.
4. If  the  engine  fails  to  start  after  eight  attempts,  allow  the starter  to  cool  for  at  least  10 minutes,  then  repeat  the
procedure.
If Engine Fails To Start  
If the engine fails to start after you have followed the "Normal
Starting"  or  "Extreme  Cold  Weather"  procedure,  and  has  not
experienced  an  extended  park  condition  as  identified  in
"Extended  Park  Starting"  procedure  it  may  be  flooded.  Push
the accelerator pedal all the way to the floor and hold it there.
Crank  the  engine  for  no  more  than  15  seconds.  This  should
clear  any  excess  fuel  in  case  the  engine  is  flooded.  Leave  the
ignition key in the MAR position, release the accelerator pedal
and repeat the “Normal Starting” procedure.
 CAUTION!
To  prevent  damage  to  the  starter,  do  not  crank
continuously for more than 10 seconds at a time. Wait 10
to 15 seconds before trying again.
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STARTING AND OPERATING 159
After Starting
The  idle  speed  is  controlled  automatically,  and  it  will
decrease as the engine warms up.
ENGINE BLOCK HEATER — IF EQUIPPED  
The  engine  block  heater  warms  the  engine  and  permits
quicker starts in cold weather.
Connect the cord to a 110-115 Volt AC electrical outlet with a
grounded, three-wire extension cord.
For  ambient  temperatures  below  0°F  (-18°C),  the  engine
block  heater  is  recommended.  For  ambient  temperatures
below -20°F (-29°C), the engine block heater is required.
The  engine  block  heater  cord  is  routed  under  the  hood,
behind to the driver’s side headlamp. Follow the steps below
to properly use the engine block heater:
1. Locate  the  engine  block  heater  cord  (behind  the  driver’sside headlamp).
2. Undo  the  hook-and-loop  strap  that  secures  the  heater cord in place.
WARNING!
• Never  pour  fuel  or  other  flammable  liquid  into  the throttle body air inlet opening in an attempt to start the
vehicle.  This  could  result  in  flash  fire  causing  serious
personal injury.
• Do  not  attempt  to  push  or  tow  your  vehicle  to  get  it started.  Vehicles  equipped  with  an  automatic
transmission cannot be started this way. Unburned fuel
could enter the catalytic converter and once the engine
has  started,  ignite  and  damage  the  converter  and
vehicle.
• If  the  vehicle  has  a  discharged  battery,  booster  cables may be used to  obtain a start  from a booster battery or
the battery in another vehicle. This type of start can be
dangerous if done improperly. Refer to “Jump Starting
Procedure”  in  “In  Case  Of  Emergency”  for  further
information.
CAUTION!
To  prevent  damage  to  the  starter,  do  not  continuously
crank the engine for more than 25 seconds at a time. Wait
60 seconds before trying again.
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