check engine RAM PROMASTER 2021 Owners Manual

3
GETTING TO KNOW YOUR
INSTRUMENT PANEL
INSTRUMENT CLUSTER........................................42Instrument Cluster Descriptions ................. 43
INSTRUMENT CLUSTER DISPLAY .......................44
Location And Controls ................................. 44
Change Engine Oil — If Equipped................ 45
Display Setup Menu .................................... 46
Values Displayed ......................................... 46
Personal Settings
(Customer-Programmable Features) .......... 47
TRIP COMPUTER ...................................................47
Trip Button.................................................... 47
Trip Functions .............................................. 48
WARNING LIGHTS AND MESSAGES ..................48
Red Warning Lights...................................... 48
Yellow Warning Lights ................................. 50
Yellow Indicator Lights................................. 53
Green Indicator Lights ................................. 54
Blue Indicator Lights .................................... 54
ONBOARD DIAGNOSTIC SYSTEM — OBD II ......55
Onboard Diagnostic System (OBD II)
Cybersecurity................................................ 55
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ...........................................................56
STARTING AND OPERATING
STARTING THE ENGINE ...................................... 57
Automatic Transmission.............................. 57
Normal Starting............................................ 57
Cold Weather Operation
(Below –22°F Or −30°C) ........................... 57 If Engine Fails To Start ................................ 57
After Starting ................................................ 58
ENGINE BLOCK HEATER — IF EQUIPPED ......... 58
ENGINE BREAK-IN RECOMMENDATIONS ........ 58
PARKING BRAKE ................................................. 59
AUTOMATIC TRANSMISSION ............................. 60 Key Ignition Park Interlock .......................... 60
Brake/Transmission Shift Interlock
System ......................................................... 60 Six-Speed Automatic Transmission ............ 61
POWER STEERING .............................................. 66
Power Steering Fluid Check ....................... 67
CRUISE CONTROL — IF EQUIPPED .................... 67
To Activate.................................................... 68
To Set A Desired Speed............................... 68
To Vary The Speed Setting .......................... 68
To Accelerate For Passing ........................... 69
To Resume Speed ....................................... 69
To Deactivate ............................................... 69
PARKSENSE REAR PARK ASSIST —
IF EQUIPPED ......................................................... 69
ParkSense Rear Park Assist Sensors ......... 70
ParkSense Rear Park Assist Alerts ............. 70 ParkSense Rear Park Assist Failure
Indications.................................................... 72 Cleaning The ParkSense System................ 72
ParkSense Rear Park Assist System
Usage Precautions ...................................... 72
PARKVIEW REAR BACK UP CAMERA ...............73
REFUELING THE VEHICLE ....................................75
Loose Fuel Filler Cap Message................... 76
VEHICLE LOADING ................................................76
Vehicle Certification Label .......................... 76
Gross Vehicle Weight Rating (GVWR) ......... 76
Gross Axle Weight Rating (GAWR) ............. 76
Tire Size ........................................................ 77
Rim Size ....................................................... 77
Inflation Pressure ........................................ 77
Curb Weight ................................................. 77
Overloading .................................................. 77
Loading ........................................................ 77
TRAILER TOWING .................................................78
Common Towing Definitions ....................... 78
Trailer Hitch Classification .......................... 80
Trailer Towing Weights
(Maximum Trailer Weight Ratings) ............ 81 Trailer And Tongue Weight ......................... 81
Towing Requirements ................................ 81
Towing Tips ................................................. 84
RECREATIONAL TOWING
(BEHIND MOTORHOME) ......................................85
Towing This Vehicle Behind Another
Vehicle .......................................................... 85 Recreational Towing .................................... 85

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4
DRIVING TIPS ........................................................86 Driving On Slippery Surfaces ...................... 86
Driving Through Water ................................ 86
MULTIMEDIA
UCONNECT SYSTEMS ..........................................88
CYBERSECURITY ..................................................88UCONNECT SETTINGS ..........................................89 Uconnect 3/3 NAV Settings ........................ 90
UCONNECT INTRODUCTION.................................98
Identifying Your Radio ................................. 98
Safety And General Information ...............100
UCONNECT MODES ........................................... 101
Radio Mode ................................................101
Media Mode ...............................................109Phone Mode ..............................................112
NAVIGATION MODE — IF EQUIPPED ................ 124
Operating Navigation Mode —
If Equipped .................................................124
STEERING WHEEL AUDIO CONTROLS ........... 146
Radio Operation .........................................146
Player Operation ........................................146
RAM TELEMATICS - IF EQUIPPED .................... 146
Ram Telematics General Information ......147
RADIO OPERATION AND MOBILE PHONES ... 148
Regulatory And Safety Information........... 148
SAFETY
SAFETY FEATURES .............................................149Anti-Lock Brake System (ABS) .................. 149Electronic Brake Control (EBC) System ... 150
AUXILIARY DRIVING SYSTEMS.........................155
Blind Spot Monitoring (BSM) —
If Equipped ................................................ 155 Forward Collision Warning (FCW) With
Mitigation — If Equipped............................ 159 Tire Pressure Monitoring
System (TPMS) ........................................... 161
OCCUPANT RESTRAINT SYSTEMS .................. 164
Occupant Restraint Systems Features .... 164
Important Safety Precautions ................... 164
Seat Belt Systems ..................................... 165
Supplemental Restraint
Systems (SRS)............................................ 172 Child Restraints ......................................... 181
SAFETY TIPS ...................................................... 186
Transporting Passengers .......................... 186Transporting Pets ..................................... 187
Safety Checks You Should Make Inside
The Vehicle ................................................ 187 Periodic Safety Checks You Should
Make Outside The Vehicle ........................ 188 Exhaust Gas ............................................... 189Carbon Monoxide Warnings ...................... 189
IN CASE OF EMERGENCY
HAZARD WARNING FLASHERS ....................... 190
JACKING AND TIRE CHANGING ....................... 190 Preparations For Jacking .......................... 191
Jack Location ............................................. 191
Spare Tire Removal ................................... 193
Jacking Instructions................................... 194
Wheel Covers ............................................. 197
TIRE SERVICE KIT — IF EQUIPPED ................... 197
Tire Service Kit Storage............................. 198
Tire Service Kit Components And
Operation ................................................... 198 Tire Service Kit Usage Precautions .......... 198Sealing A Tire With Tire Service Kit .......... 200
JUMP STARTING ................................................ 203
Preparations For Jump Start ..................... 203
Jump Starting Procedure .......................... 204
Battery Location ........................................ 206
IF YOUR ENGINE OVERHEATS ......................... 206
GEAR SELECTOR OVERRIDE ........................... 207
FREEING A STUCK VEHICLE ............................ 208
TOWING A DISABLED VEHICLE ........................ 209
Automatic Transmission............................ 210
ENHANCED ACCIDENT RESPONSE
SYSTEM (EARS).................................................. 210
EVENT DATA RECORDER (EDR) ....................... 210

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5
SERVICING AND MAINTENANCE
SCHEDULED SERVICING .................................. 211Maintenance Plan......................................212
ENGINE COMPARTMENT .................................. 215
3.6L Engine ...............................................215Checking Oil Level......................................216
Adding Washer Fluid..................................217Maintenance-Free Battery .......................217
Pressure Washing ......................................217
VEHICLE MAINTENANCE ................................... 218
Engine Oil ...................................................218
Engine Oil Filter ..........................................219Engine Air Cleaner Filter ...........................219
Air Conditioner Maintenance ...................219Body Lubrication ........................................221
Windshield Wiper Blades .........................221
Exhaust System ........................................221
Cooling System ..........................................223Brake System ............................................226
Automatic Transmission ............................226
FUSES .........................................................228
BULB REPLACEMENT ................................235
TIRES .................................................................. 240
Tire Safety Information .............................240Tires — General Information .....................248Tire Types ...................................................252
Spare Tires — If Equipped .........................253
Wheel And Wheel Trim Care ....................255
Snow Traction Devices .............................257Tire Rotation Recommendations ..............258 DEPARTMENT OF TRANSPORTATION
UNIFORM TIRE QUALITY GRADES .................. 259
Treadwear .................................................. 259
Traction Grades ......................................... 259
Temperature Grades ................................. 259
STORING THE VEHICLE .....................................260
BODYWORK ........................................................ 260
Protection From Atmospheric Agents....... 260
Body And Underbody Maintenance .......... 260Preserving The Bodywork .......................... 261
INTERIORS ......................................................... 261
Seats And Fabric Parts .............................. 261
Plastic And Coated Parts ........................... 262
Leather Surfaces ....................................... 263Glass Surfaces .......................................... 263Cleaning The Instrument Panel
Cupholders ................................................. 263
TECHNICAL SPECIFICATIONS
VEHICLE IDENTIFICATION NUMBER.................264
BRAKE SYSTEM .................................................. 264

WHEEL AND TIRE TORQUE SPECIFICATIONS .... 264

Torque Specifications ................................ 264
FUEL REQUIREMENTS .......................................265
3.6L Engine ................................................ 265
Reformulated Gasoline ............................ 266
Materials Added To Fuel ........................... 266
Gasoline/Oxygenate Blends ..................... 266Do Not Use E-85 In Non-Flex Fuel
Vehicles ...................................................... 266
CNG And LP Fuel System Modifications ..... 267

MMT In Gasoline........................................ 267
Fuel System Cautions................................ 267
FLUID CAPACITIES ............................................. 268
ENGINE FLUIDS AND LUBRICANTS ................. 268
CHASSIS FLUIDS AND LUBRICANTS ............... 270
CUSTOMER ASSISTANCE
SUGGESTIONS FOR OBTAINING SERVICE
FOR YOUR VEHICLE .......................................... 271 Prepare For The Appointment .................. 271Prepare A List............................................. 271
Be Reasonable With Requests ................. 271
IF YOU NEED ASSISTANCE .............................. 271
FCA US LLC Customer Center ................... 272
FCA Canada Inc. Customer Center ........... 272
Mexico ........................................................ 272
Puerto Rico And US Virgin Islands ............ 272
Customer Assistance For The Hearing Or
Speech Impaired (TDD/TTY) ..................... 272 Service Contract ....................................... 272
WARRANTY INFORMATION .............................. 273
MOPAR PARTS .................................................. 273
REPORTING SAFETY DEFECTS ........................ 273 In The 50 United States And
Washington, D.C. ....................................... 273 In Canada ................................................... 273
PUBLICATION ORDER FORMS ........................ 274
General Information.......................................... 274

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9
Electronic Stability Control (ESC) OFF Warning Light
Ú page 52
Engine Check/Malfunction Indicator Warning Light (MIL)
Úpage 52
Anti-Lock Brake System (ABS) Warning Light Úpage 53
Generic Warning Light Úpage 53
Yellow Indicator Lights
Forward Collision Warning (FCW) OFF Indicator
Light — If Equipped
Úpage 53
Service Forward Collision Warning (FCW) Light — If Equipped
Ú page 53

Yellow Warning Lights
TOW/HAUL Indicator Light Úpage 53
Green Indicator Lights
Turn Signal Indicator Lights
Úpage 54
Front Fog Indicator Light — If Equipped Úpage 54
Park/Headlight On Indicator Light Úpage 54
Cruise Control Indicator Light — If Equipped Úpage 54
Blue Indicator Lights
High Beam Indicator Light
Úpage 54
Yellow Indicator Lights
1

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GETTING TO KNOW YOUR VEHICLE27
FOLLOW ME HOME/HEADLIGHT DELAY
When this feature is selected, the driver can
choose to have the headlights remain on for a
preset period of time after the engine is turned
off.
Activation
Remove the key or turn the ignition to the STOP
(OFF/LOCK) position, and pull the multifunction
lever toward the steering wheel within two
minutes. Each time the lever is pulled, the
activation of the lights will be extended by
30 seconds. The activation of the lights can be
extended to a maximum of 210 seconds.
The indicator light on the instrument panel will
light up and the corresponding message will
appear in the instrument cluster display for as
long as the function is activated. The indicator
light comes on when the lever is operated and
stays on until the function is automatically
deactivated. Each movement of the lever only
increases the amount of time the lights stay on.
Deactivation
Pull the multifunction lever toward the steering
wheel and hold it for more than two seconds.
FOG LIGHTS — IF EQUIPPED
The fog light switch is located on the center
stack of the instrument panel, just below the
climate controls.
Push the switch once to turn the fog
lights on. Push the switch a second
time to turn the fog lights off.
NOTE:
If the vehicle’s ignition is turned off, the fog
lights will also turn off.
TURN SIGNALS
Move the multifunction lever up or down and
the arrows on each side of the instrument
cluster will flash to show proper operation of the
turn signals.
NOTE:
If either light remains on and does not flash, or
there is a very fast flash rate, check for a defec -
tive outside light bulb.
LANE CHANGE ASSIST
Lightly push the multifunction lever up or down,
without moving beyond the detent, and the turn
signal will flash five times then automatically
turn off.
BATTERY SAVER
To protect the life of your vehicle’s battery,
when the ignition is OFF and any door is left ajar
for 15 minutes, the interior lights will
automatically turn off.
NOTE:
Battery saver mode is cancelled if the ignition is
placed in the MAR (ACC/ON/RUN) position.
2

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48GETTING TO KNOW YOUR INSTRUMENT PANEL
Start Of Trip Procedure
With the ignition on, push and hold the TRIP
button for over two seconds to reset trip
information.
Exit Trip
To exit the Trip function, push the TRIP button
until all the trip menu items have been
displayed and the display returns to the main
menu.
TRIP FUNCTIONS
Both trip functions are resettable (reset — start
of new trip).
Trip A/Trip B
Trip Distance
Average Fuel Consumption
Average Speed
Travel Time (Driving Time)
NOTE:
“Trip B” functions may be excluded (see “Trip B
Data”). “Range” and “Instantaneous Fuel
Consumption” cannot be reset.
WARNING LIGHTS AND MESSAGES

The warning/indicator lights will illuminate in the
instrument panel together with a dedicated
message and/or acoustic signal when applicable.
These indications are indicative and precautionary
and as such must not be considered as exhaustive
and/or alternative to the information contained in
the Owner’s Manual, which you are advised to read
carefully in all cases. Always refer to the
information in this chapter in the event of a failure
indication. All active telltales will display first if
applicable. The system check menu may appear
different based upon equipment options and
current vehicle status. Some telltales are optional
and may not appear.

RED WARNING LIGHTS
Seat Belt Reminder Warning Light
When the ignition is first placed in the
ON/RUN or MAR/ON/RUN position, if
the driver’s seat belt is unbuckled, a
chime will sound and the light will turn
on. When driving, if the driver or front passenger
seat belt remains unbuckled, the Seat Belt
Reminder Light will flash or remain on
continuously and a chime will sound
Ú page 164.
Air Bag Warning Light
This light will turn on for four to eight
seconds as a bulb check when the
ignition is placed in the ON/RUN or
MAR/ON/RUN position. If the light is
either not on during startup, stays on, or turns
on while driving, have the system inspected at
an authorized dealer as soon as possible. This
light will illuminate with a single chime when a
fault with the Air Bag Warning Light has been
detected, it will stay on until the fault is cleared.
If the light comes on intermittently or remains
on while driving, have an authorized dealer
service the vehicle immediately.
Battery Charge Warning Light
This warning light will illuminate when
the battery is not charging properly. If
it stays on while the engine is running,
there may be a malfunction with the
charging system. Contact an authorized dealer
as soon as possible.
This indicates a possible problem with the
electrical system or a related component.

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GETTING TO KNOW YOUR INSTRUMENT PANEL49
Door Open Warning Light
This indicator will illuminate when one
or more door(s) are not fully closed.
NOTE:
If the vehicle is moving and a door is opened,
there will also be a single chime.
Electronic Throttle Control Warning Light
This warning light will illuminate to
inform of a problem with the
Electronic Throttle Control (ETC)
system. If a problem is detected while
the vehicle is running, the light will either stay
on or flash depending on the nature of the
problem. Cycle the ignition when the vehicle is
safely and completely stopped and the
transmission is placed in the PARK (P) position.
The light should turn off. If the light remains on
with the vehicle running, your vehicle will
usually be drivable; however, see an authorized
dealer for service as soon as possible.
If the light continues to flash when the vehicle is
running, immediate service is required and you
may experience reduced performance, an
elevated/rough idle, or engine stall and your
vehicle may require towing. The light will come on when the ignition is placed in the ON/RUN or
MAR/ON/RUN position and remain on briefly as
a bulb check. If the light does not come on
during starting, have the system checked by an
authorized dealer.
Transmission Fault Warning Light
This light will illuminate (together with
a message in the instrument cluster
display and a buzzer) to indicate a
transmission fault. Contact an
authorized dealer if the message remains after
restarting the engine.
Engine Temperature Warning Light
This light warns of an overheated
engine condition. If the engine
coolant temperature is too high, this
indicator will illuminate and a single
chime will sound.

If the light turns on while driving, safely pull over
and stop the vehicle. If the Air Conditioning (A/C)
system is on, turn it off. Also, shift the
transmission into NEUTRAL and idle the vehicle.
If the temperature reading does not return to
normal, turn the engine off immediately and call
for service
Ú
page 206.

Brake Warning Light
This warning light monitors various
brake functions, including brake fluid
level and parking brake application. If
the brake light turns on it may
indicate that the parking brake is applied, that
the brake fluid level is low, or that there is a
problem with the Anti-Lock Brake System
reservoir.
If the light remains on when the parking brake
has been disengaged, and the fluid level is at
the full mark on the master cylinder reservoir, it
indicates a possible brake hydraulic system
malfunction or that a problem with the Brake
Booster has been detected by the Anti-Lock
Brake System (ABS) / Electronic Stability
Control (ESC) system. In this case, the light will
remain on until the condition has been
corrected. If the problem is related to the brake
booster, the ABS pump will run when applying
the brake, and a brake pedal pulsation may be
felt during each stop.
The dual brake system provides a reserve
braking capacity in the event of a failure to a
portion of the hydraulic system. A leak in either
half of the dual brake system is indicated by the
3

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50GETTING TO KNOW YOUR INSTRUMENT PANEL
Brake Warning Light, which will turn on when
the brake fluid level in the master cylinder has
dropped below a specified level.
The light will remain on until the cause is
corrected.
NOTE:
The light may flash momentarily during sharp
cornering maneuvers, which change fluid level
conditions. The vehicle should have service
performed, and the brake fluid level checked.
If brake failure is indicated, immediate repair is
necessary.
Vehicles equipped with the Anti-Lock Brake
System (ABS) are also equipped with Electronic
Brake Force Distribution (EBD). In the event of
an EBD failure, the Brake Warning Light will turn
on along with the ABS Light. Immediate repair to
the ABS system is required. Operation of the Brake Warning Light can be
checked by turning the ignition switch from the
OFF position to the ON/RUN position. The light
should illuminate for approximately two
seconds. The light should then turn off unless
the parking brake is applied or a brake fault is
detected. If the light does not illuminate, have
the light inspected by an authorized dealer.
The light also will turn on when the parking
brake is applied with the ignition switch in the
ON/RUN position.
NOTE:
This light shows only that the parking brake is
applied. It does not show the degree of brake
application.
Oil Pressure Warning Light
This warning light will illuminate to
indicate low engine oil pressure. If the
light turns on while driving, stop the
vehicle, shut off the engine as soon as
possible, and contact an authorized dealer. A
chime will sound when this light turns on.
Do not operate the vehicle until the cause is
corrected. This light does not indicate how
much oil is in the engine. The engine oil level
must be checked under the hood.
Vehicle Security Warning Light — If
Equipped
This light will flash at a fast rate for
approximately 15 seconds when the
vehicle security system is arming, and
then will flash slowly until the vehicle
is disarmed.
YELLOW WARNING LIGHTS
Immobilizer Fail / VPS Electrical Alarm
Indicator Light
This telltale will illuminate when the
vehicle security system system has
detected an attempt to break into the
vehicle.
NOTE:
After cycling the ignition to the ON/RUN posi -
tion, the Vehicle Security Warning Light could
illuminate if a problem with the system is
detected. This condition will result in the engine
being shut off after two seconds.
WARNING!
Driving a vehicle with the red brake light on is
dangerous. Part of the brake system may
have failed. It will take longer to stop the
vehicle. You could have a collision. Have the
vehicle checked immediately.

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52GETTING TO KNOW YOUR INSTRUMENT PANEL
Electronic Stability Control (ESC) Warning
Light
The ESC Indicator Light in the
instrument cluster will come on when
the ignition is placed in the ON/RUN
or MAR (ACC/ON/RUN) position, and
when ESC is activated. It should turn off with the
engine running. If the ESC Indicator Light comes
on continuously with the engine running, a
malfunction has been detected in the ESC system. If this light remains on after several
ignition cycles, and the vehicle has been driven
several miles (kilometers) at speeds greater
than 30 mph (48 km/h), see an authorized
dealer as soon as possible to have the problem
diagnosed and corrected.
The ESC OFF Indicator Light and the ESC Indi
-
cator Light come on momentarily each time
the ignition is placed in the ON/RUN or MAR
(ACC/ON/RUN) position.
Each time the ignition is turned to ON/RUN or
MAR (ACC/ON/RUN), the ESC system will be
on, even if it was turned off previously.
The ESC system will make buzzing or clicking
sounds when it is active. This is normal; the
sounds will stop when ESC becomes inactive.
This light will come on when the vehicle is in
an ESC event.
Electronic Stability Control (ESC) OFF
Warning Light
This light indicates the ESC is off.
Each time the ignition is turned to
ON/RUN or MAR/ON/RUN, the ESC
system will be on, even if it was turned off
previously.
Engine Check/Malfunction Indicator
Warning Light
The Engine Check/Malfunction
Indicator Light (MIL) is a part of an
Onboard Diagnostic System called
OBD II that monitors engine and
automatic transmission control systems. This
warning light will illuminate when the ignition is
in the ON/RUN position before engine start. If
the bulb does not come on when turning the
ignition switch from OFF to ON/RUN, have the
condition checked promptly.
Certain conditions, such as a loose or missing
gas cap, poor quality fuel, etc., may illuminate
the light after engine start. The vehicle should
be serviced if the light stays on through several
typical driving styles. In most situations, the
vehicle will drive normally and will not require
towing.
When the engine is running, the MIL may flash
to alert serious conditions that could lead to
immediate loss of power or severe catalytic
converter damage. The vehicle should be
serviced by an authorized dealer as soon as
possible if this occurs.
CAUTION!
The TPMS has been optimized for the original
equipment tires and wheels. TPMS pressures
and warning have been established for the
tire size equipped on your vehicle.
Undesirable system operation or sensor
damage may result when using replacement
equipment that is not of the same size, type,
and/or style. Aftermarket wheels can cause
sensor damage. Using aftermarket tire
sealants may cause the Tire Pressure
Monitoring System (TPMS) sensor to become
inoperable. After using an aftermarket tire
sealant it is recommended that you take your
vehicle to an authorized dealer to have your
sensor function checked.

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56GETTING TO KNOW YOUR INSTRUMENT PANEL
EMISSIONS INSPECTION AND
MAINTENANCE PROGRAMS
In some localities, it may be a legal requirement
to pass an inspection of your vehicle's
emissions control system. Failure to pass could
prevent vehicle registration.
For states that require an Inspection
and Maintenance (I/M), this check
verifies the “Malfunction Indicator
Light (MIL)” is functioning and is not
on when the engine is running, and that the
OBD II system is ready for testing.
The OBD II system may not be ready if your
vehicle was recently serviced, recently had a
depleted battery or a battery replacement. If the
OBD II system should be determined not ready
for the I/M test, your vehicle may fail the test. Your vehicle has a simple ignition actuated test,
which you can use prior to going to the test
station. To check if your vehicle's OBD II system
is ready, you must do the following:

1. Switch the ignition to the ON position, but
do not crank or start the engine.

NOTE:
If you crank or start the engine, you will have to
start this test over.
2. As soon as you cycle the ignition switch to the ON position, you will see the
“Malfunction Indicator Light (MIL)” symbol
come on as part of a normal bulb check.
3. Approximately 15 seconds later, one of two things will happen:
The MIL will flash for about 10 seconds
and then return to being fully illuminated
until you turn OFF the ignition or start the
engine. This means that your vehicle's
OBD II system is not ready and you
should not proceed to the I/M station.
The MIL will not flash at all and will
remain fully illuminated until you place
the ignition in the off position or start the
engine. This means that your vehicle's
OBD II system is ready and you can
proceed to the I/M station.
If your OBD II system is not ready, you should
see an authorized dealer or repair facility. If your
vehicle was recently serviced or had a battery
failure or replacement, you may need to do
nothing more than drive your vehicle as you
normally would in order for your OBD II system
to update. A recheck with the above test routine
may then indicate that the system is now ready.

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