2012 HONDA CIVIC COUPE service
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Safety Labels
4
Safe Driving
CNG Label Locations
These labels are in the locations shown. They give instructions and warnings on the CNG fuel system.
If a label comes off or becomes hard to read, contact a dealer for a replacement.
7 + , 6 & 2 1 7 $ , 1 ( 5 6 + 2 8 / '
% ( 9 , 6 8 $ / / < , 1 6 3 ( & 7 ( '
$ ) 7 ( 5 $ 0 2 7 2 5 9 ( + , & / (
$ & & , ' ( 1 7 2 5 ) , 5 (
$ 1 ' $ 7 / ( $ 6 7 ( 9 ( 5 <
0 2 1 7 + 6 2 5
0 , / ( 6 : + , & + ( 9 ( 5 & 2 0 ( 6
) , 5 6 7 ) 2 5 ' $ 0 $ * (
$ 1 ' ' ( 7 ( 5 , 2 5 $ 7 , 2 1
3 6 , * e )
$ / 7
3 1
e ) 7 2 e )
1 * 9 ' 2 7 & ) 5
7 < 3 ( & 2 1 7 $ , 1 ( 5 , ) 7 + ( 5 ( , 6 $ 4 8 ( 6 7 , 2 1 $ % 2 8 7 7 + ( 3 5 2 3 ( 5 8 6 (
, 1 6 7 $ / / $ 7 , 2 1 2 5 0 $ , 1 7 ( 1 $ 1 & ( 2 ) 7 + , 6 & 2 1 7 $ , 1 ( 5
& 2 1 7 $ & 7 6 7 5 8 & 7 8 5 $ / & 2 0 3 2 6 , 7 ( 6 , 1 ' 8 6 7 5 , ( 6
( 1 7 ( 5 3 5 , 6 ( 3 / 3 2 0 2 1 $ & $
7 ( /
6 ( 5 9 , & ( 3 5 ( 6 6 8 5 ( N 3 D 3 6 , *
0 $ 1 8 ) $ & 7 8 5 ( ' , 1 ' 2 7 ) 0 9 6 6
) 2 5 8 6 ( 2 1 / < : , 7 + 7 + ( & 2 1 7 $ , 1 ( 5 0 $ 1 8 ) $ & 7 8 5 ( 5
6
$ 3 3 5 2 9 ( ' 3 5 ( 6 6 8 5 ( 5 ( / , ( ) ' ( 9 , & ( 6 9 $ / 9 ( 6 & 1 * 2 1 / < ' 2 1 2 7 8 6 ( $ ) 7 ( 5 1 * 9 ) 8 ( / 7 $ 1 . 6
7 ( 6 7
' $ 7 ( 6 ( 5 9 7 ( 0 3
Structural Composites IndustriesA WORTHING TON CYLINDER COMPAN Y
7 K L V F \ O L Q G H U L V L Q W H Q G H G I R U X V H R Q W K L V Y H K L F O H W R V W R U H F R P S U H V V H G Q D W X U D O
J D V P R W R U I X H O ' R Q R W X V H I R U D Q \ R W K H U S X U S R V H
' R Q R W D W W H P S W W R U H P R Y H W K L V F \ O L Q G H U I U R P W K H Y H K L F O H R U W R V H U Y L F H Y H Q W R U
P D L Q W D L Q W K L V F \ O L Q G H U R U D Q \ D W W D F K H G S D U W V X Q O H V V \ R X D U H V S H F L I L F D O O \ W U D L Q H G
W R G R V R 7 K H F \ O L Q G H U P D \ F R Q W D L Q U H V L G X D O J D V Z K L F K S R V H V D I L U H R U H [ S O R V L R Q
U L V N , P S U R S H U Y H Q W L Q J S U R F H G X U H V Z L O O F D X V H D V W D W L F H O H F W U L F D O G L V F K D U J H Z K L F K
F R X O G L J Q L W H Y H Q W L Q J Q D V 5 H P R Y D O V H U Y L F L Q J Y H Q W L Q J Q D G G L V S R V D O V K R X L G R Q O \
E H G R Q H E \ D T X D O L I L H G W H F K Q L F L D Q
7 K H P D [ L P X P V H U Y L F H S U H V V X U H I R U W K L V F \ O L Q G H U L V S V L F R P S H Q V D W H G W R
e ) e & K R Z H Y H U L Q Q R F D V H V K D O O W K H P D [ L P X P I L O O L Q J S U H V V X U H H [ F H H G
S V L
' R Q R W D V V X P H \ R X F D Q D O Z D \ V V P H O O O H D N L Q J J D V , I \ R X V P H O O J D V R U I R U
D Q \ U H D V R Q V X V S H F W W K H F \ O L Q G H U R U D Q \ S D U W R I W K H I X H O V \ V W H P L V O H D N L Q J G R
Q R W S D U N W K H Y H K L F O H L Q D Q H Q F O R V H G D U H D V X F K D V D J D U D J H , P P H G L D W H O \
K D Y H W K H Y H K L F O H V H U Y L F H G E \ D T X D O L I L H G W H F K Q L F L D Q
, I W K L V Y H K L F O H L V L Q Y R O Y H G L Q D F R O O L V L R Q I L U H R U L I S K \ V L F D O G D P D J H L V R E V H U Y H G
R Q W K H F \ O L Q G H U R U L W V D W W D F K P H Q W V G R Q R W S D U N W K H Y H K L F O H L Q D Q H Q F O R V H G D U H D
V X F K D V D J D U D J H , P P H G L D W H O \ K D Y H W K H Y H K L F O H V H U Y L F H G E \ D T X D O L I L H G
W H F K Q L F L D Q ' R Q R W I L O O W K H F \ O L Q G H U X Q W L O W K H Y H K L F O H K D V E H H Q V H U Y L F H G
' R Q R W H [ S R V H F \ O L Q G H U W R W H P S H U D W X U H V L Q H [ F H V V R I G H J U H H V ) D K U H Q K H L W
' R Q R W H [ S R V H F \ O L Q G H U W R F R U U R V L Y H I O X L G V V X F K D V D F L G V D Q G E D V H V
7 + , 6 & < / , 1 ' ( 5 0 8 6 7 % ( , 1 6 7 $ / / ( ' $ 1 ' 6 ( 5 9 , & ( ' % <
4 8 $ / , ) , ( ' 7 ( & + 1 , & , $ 1 6 , 1 $ & & 2 5 ' $ 1 & ( : , 7 +
1 $ 7 , 2 1 $ / ) , 5 ( 3 5 2 7 ( & 7 , 2 1 $ 6 6 2 & , $ 7 , 2 1 6 7 $ 1 ' $ 5 '
) 2 5 & 2 0 3 5 ( 6 6 ( ' 1 $ 7 8 5 $ / * $ 6 9 ( + , & 8 / $ 5 ) 8 ( / 6 < 6 7 ( 0 6
$ 1 ' $ / / $ 3 3 / , & $ % / ( ) ( ' ( 5 $ / 6 7 $ 7 ( $ 1 ' / 2 & $ /
5 ( * 8 / $ 7 , 2 1 6 7 ( 6 7 ( ' $ 1 ' $ 3 3 5 2 9 ( ' 9 $ / 9 ( $ 1 ' 6 $ ) ( 7 <
5 ( / , ( ) ' ( 9 , & ( 6 $ 5 ( 5 ( 4 8 , 5 ( '
6 H H R W K H U Z D U Q L Q J V S H U P D Q H Q W O \ D I I L [ H G W R W K L V Y H K L F O H
' R Q R W U H P R Y H R U S D L Q W R Y H U W K L V O D E H O
7 K L V F \ O L Q G H U P X V W E H L Q V S H F W H G E \ D T X D O L I L H G W H F K Q L F L D Q H Y H U \ W K U H H \ H D U V
7 + , 6 & < / , 1 ' ( 5 & 2 1 7 $ , 1 6 ) / $ 0 0 $ % / ( 1 $ 7 8 5 $ / * $ 6 8 1 ' ( 5
( ; 7 5 ( 0 ( / < + , * + 3 5 ( 6 6 8 5 ( ' ( $ 7 + 2 5 6 ( 5 , 2 8 6 , 1 - 8 5 < & $ 1
5 ( 6 8 / 7 ) 5 2 0 , 0 3 5 2 3 ( 5 , 1 6 7 $ / / $ 7 , 2 1 / $ & . 2 ) , 1 6 3 ( & 7 , 2 1
$ 1 ' 0 $ , 1 7 ( 1 $ 1 & ( 2 9 ( 5 ) , / / , 1 * 3 8 1 & 7 8 5 , 1 * 2 5 ' $ 0 $ * (
DRILL
1271488
P UNCTURE FIREDROPCORROSIVE
' $ 1 * ( 5Structural Composites IndustriesA WORTHING TON CYLINDER COMPANYTHIS VEHICLE IS FUELED BY COMPRESSED NATURAL GAS STORED AT HIG\
H PRESSURE.
DO NOT ATTEMPT TO SERVICE FUEL SYSTEM WITHOUT PROPER SYSTEM DE\
PRESSURIZATION.
TO AVOID RISK OF INJURY, THIS VEHICLE SHOULD ONLY BE SERVICED \
BY A QUALIFIED
TECHNICIAN. CNG TANK PRESSURE RELIEF DEVICE WILL VENT AT 103 \
C (217 F).
DO NOT PARK OR SERVICE VEHICLE NEAR ANY SOURCE OF EXCESSIVE H\
EAT OR OPEN FLAME.
DO NOT USE PAINT OVEN FOR ANY PAINT REPAIRS.
SYSTEM SERVICE PRESSURE : 24.8MPA (3600PSIG)
BUILT BY : HONDA MFG. OF INDIANA, LLC
CNG TANK EXPIRATION DATE :
TOTAL WATER VOLUME OF CNG TANK : 26.4 GAL. (100 L)
INSPECT BY OR 36K MI. AND EVERY 3 YR. OR 36K MI. THEREAFTER.
Hood
CNG Tank Expiration Date
Trunk Lid
CNG Tank
CNG Tank Production Date
CNG Label
Fuel Receptacle Lid
CNG Tank Expiration Date
First Inspection
First Inspection
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2012 Civic Natural Gas Vehicle
Page 14 of 33
Refueling How to Refuel
14
Driving
Refueling Procedure Example How to Refuel
Always observe all safety recommendations and
operating instructions on the refueling equipment.
Use a fuel filler nozzle that complies with ANSI/AGA
NGV-1-2008 standards.
The CNG filler nozzle mechanism may vary by
service station. Each nozzle standard has different
maximum pressure:P24
•－ 2,400 psi (16,500 kPa)
P30
•－ 3,000 psi (20,700 kPa)
P36
•－ 3,600 psi (24,800 kPa)
The refueling steps shown in this manual are the
typical fast fill refueling procedure. You may need
to go through different steps at a station with slow
fill equipment or other types of equipment. Always
follow the instructions provided on site.
1. Stop your vehicle with the service station
pump on the left side of the vehicle in the
r e a r.
2. Turn off the engine.
3. Push on the fuel receptacle lid release
handle at the foot of the driver’s seat.
The fuel receptacle lid opens.
4. Remove the receptacle dust cap from the
fuel receptacle.
Clean off any dirt or debris around the
fuel receptacle.
5
. Securely connect the CNG fill nozzle to the
fuel receptacle.
Push
Fuel Receptacle
Receptacle
Dust Cap
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2012 Civic Natural Gas Vehicle
Page 16 of 33
Maintaining the Fuel System
16
Maintenance
Your vehicle’s fuel system must be maintained and repaired by an authorized Civic
Natural Gas dealer or a certified NGV technician. The fuel system has no user-
serviceable parts, and its components must not be modified.
See instructions on fuel container for inspection and service life.
Maintaining the Fuel System
Service Pressure: 3,600 psi (24,800 kPa)
CNG Label Locations
P. 4
WARNING
Tampering with, or improperly
maintaining the high-pressure fuel system
can cause a dangerous condition in which
you can be seriously hurt or killed.
Never attempt to modify the fuel system,
and always have fuel system maintenance
performed by an authorized CNG dealer,
or a qualified NGV technician.
Indoor Vehicle Storage
If you store your vehicle indoors, make sure there is adequate ventilation. We
recommend that you also install a natural gas leak detector.
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2012 Civic Natural Gas Vehicle
Page 17 of 33
17Continued
Maintenance
Maintenance MinderTM
Your vehicle displays engine oil life and maintenance service items on the multi-
information display to show you when you should have a dealer do engine oil
replacement and indicated maintenance service.
Refer to the important safety precautions and instructions in the Owner's Manual.
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Page 18 of 33
18
Maintenance
Maintenance MinderTM To Use Maintenace MinderTM
Maintenance Service Items
2345
Maintenance Service ItemsIndependent of the Maintenance Minder
•information, replace the brake fluid every 3 years.
Inspect idle speed every 160,000 miles (256,000
•km).
Adjust the valves during services A, B, 1, 2, or 3 if
•they are noisy.
CODE Maintenance Main Items
A Replace engine oil • *1
B Replace engine oil• *1 and oil filter
Replace fuel filter element (low pressure)
•
Drain fuel filter (high pressure)
•
Inspect front and rear brakes/service as necessary
•
Check parking brake adjustment
•
Inspect tie rod ends, steering gearbox, and boots
•
Inspect suspension components
•
Inspect driveshaft boots
•
Inspect brake hoses and lines (Including ABS/ VSA)
•
Inspect all fluid levels and condition of fluids
•
Inspect exhaust system
•
#
Inspect fuel lines and connections
• #
CODE Maintenance Sub Items
1 Rotate tires •
2 Replace air cleaner element •
*2
Replace dust and pollen filter
• *3
Replace fuel filter element (high pressure)
•
Inspect drive belt
•
Inspect valve clearance
•
Inspect fuel tank
•
*4
3 Replace transmission fluid •
4 Replace spark plugs •
5 Replace engine coolant •
*1: If a message "SERVICE" does not appear more than 12 months after the display is reset, change the
engine oil every year.
# : See information on maintenance and emissions warranty. *2: If you drive in dusty conditions, replace the air cleaner element every 15,000 miles (24,000 km).
*3: If you drive primarily in urban areas that have high concentrations of soot in the air from industry and
from diesel-powered vehicles, replace the dust and pollen filter every 15,000 miles (24,000 km).
*4: If sub item 2 does not appear more than 36 months after the display is reset, inspect the fuel tank
every 3 years.
See CNG tank expiration and production dates on page 5 for inspection and replacement
information. Fuel tank should be replaced 15 years after it was manufactured.
System Message
Indicator
Maintenance Minder
Message
Main
Item Sub Items
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2012 Civic Natural Gas Vehicle
Page 25 of 33
25
Fuel Leaks
Handling the Unexpected
If a Fuel Leak is Detected
If you smell natural gas or hear a hissing sound, except when refueling, the fuel
system may have a leak. If a Fuel Leak is Detected
WARNING
Compressed natural gas is flammable and
highly explosive. You could be killed or
seriously injured if leaking natural gas is
ignited.
If you suspect a leak, have your vehicle
immediately inspected and repaired by an
authorized CNG dealer.
Do not jump start your vehicle if you suspect a fuel
gas leak.
Turning Off the Manual Shut-Off Valve
We recommend that you locate the valve before
driving so that you can turn it off quickly if
ne ce s s ar y.
Turn off the valve if you ever suspect a fuel leak or
are involved in an accident.
Turn the manual shut-off valve to OFF also when
you are storing your vehicle for an extended period.
Turning Off the Manual Shut-Off Valve
4. Turn the manual shut-off valve one-quarter
turn clockwise (located as shown).
The valve is turned to OFF.
5. Call a professional towing service.
You cannot continue driving. Have the
vehicle towed to an authorized Civic
Natural Gas dealer.
Emergency Towing
P. 321, Owner's Manual
1. Park your vehicle outside in a well-ventilated area. Set the parking brake.
Keep away from heat, sparks, and flame.
2. Open all the windows and trunk for ventilation.
3. Turn the ignition to LOCK
0.
Manual Shut-Off
Valve
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Page 30 of 33
Specifications
30
Information
Vehicle Specifications
ModelHonda Civic 4-Door Natural Gas
No. of Passengers:
Front
Rear
Total 2
3
5
Weights:
Gross Vehicle Weight
Rating 3,814 lbs (1,730 kg)
Gross A xle Weight
Rating (Front) 2,029 lbs (920 kg)
Gross A xle Weight
Rating (Rear) 1,852 lbs (840 kg)
Air Conditioning:
Refrigerant Type
Charge Quantity
Lubricant Type HFC-134a (R-134a)
13.2 – 15.0 oz (375 – 425 g)
SP-10
Engine Specifications
Displacement
110 cu-in (1,798 cm3)
Spark Plugs NGKSILKR8B8DS
Fuel
Fuel Tank
Service Pressure 3,600 psi (24,800 kPa) at 70°F (21°C)
Fuel Tank
Capacity 3,000 psi: 7.2 GGE (Gasoline Gallon
Equivalent)
3,600 psi: 8.0 GGE (Gasoline Gallon
Equivalent)
Battery
Capacity
38AH(5)/47AH(20)
Washer Fluid
Tank Capacity 2.6 US qt (2.5 ℓ)
Light Bulbs
Headlights (Low Beam) 51W (HB4)
Headlights (High Beam) 60W (HB3)
Front Turn Signal/Parking/Side
Marker Lights 28/8W
Brake/Taillights 21/ 5W
Back-Up Lights 21W
Rear Turn Signal Lights 21W (Amber)
Rear Side Marker Lights 3CP
High-Mount Brake Light 21W
Rear License Plate Light 5W
Trunk Light 5W
Interior Lights
Map Lights
Ceiling Light 8W
8W
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Page 33 of 33
33
Authorized Manuals
Information
Service Express
For electronic copies of service publications, you can purchase a subscription to
Service Express. Visit www.techinfo.honda.com for pricing and options.
Manuals in print
The publications listed below can be purchased from Helm Incorporated. You can
order a manual by phone at (800) 782-4356 (credit card orders only), or online at
www.helminc.com.
Make an inquiry to Helm Inc. at (800) 782-4356 if you are interested in ordering
other models' or other years' manuals.
Publication Form Number Form Description
31T R 3 6 0 0 2012 Honda Civic 4-Door Owner's Manual
31T R 59 0 0 2012 Honda Civic 4-Door Natural Gas Owner's Manual
Supplement
31T R 3 8 0 0 2012 Honda Civic Navigation System Manual
31T R 3 M 0 0 2012 Honda Civic Service History
31T R 3C0 0 2012 Honda Civic 4-Door Technology Reference Guide (EX /
EX-L /Si/Natural Gas)
31T R 3 D 0 0 2012 Honda Civic 4-Door Technology Reference Guide (EX /
EX-L /Si/Natural Gas with Navigation)
HON-R
Order Form for Previous Years-
Indicate Year and Model Desired
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