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2008 Civic GX
Owner's Manual
(Unlinked)
This document does not contain hyperlinks and may be formatted for printing instead of web us. This is due to changes
in content and specifications of the vehicle that happen throughout the model year. This manual will be replaced with a
hyperlinked version at the end of the model year.
© 2007 Honda Motor Co., Ltd.
P/N 00X31-SNF-9200

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Summary of Contents for Honda 2008 Civic GX

  • Page 1 2008 Civic GX Owner’s Manual (Unlinked) This document does not contain hyperlinks and may be formatted for printing instead of web us. This is due to changes in content and specifications of the vehicle that happen throughout the model year. This manual will be replaced with a hyperlinked version at the end of the model year.
  • Page 2 Owner’s Identification This owner’s manual should be OWNER considered a permanent part of the vehicle and should remain with the vehicle when it is sold. ADDRESS The information and specifications STREET included in this publication were in effect at the time of approval for printing.
  • Page 3: Table Of Contents

    Contents Introduction ......Maintenance Maintenance Minder ....17 Instruments and Controls Engine Oil ........21 Instrument Panel Indicators ..Engine Coolant ......21 Gauges ........... Fuel Tank ........22 Rear Seat ........Tires ..........23 Lights ...........
  • Page 4: Introduction

    Introduction Your Civic GX runs on compressed You will find important safety natural gas (CNG), a highly information in this supplement and pressurized version of the same in the owner’s manual. This clean-burning natural gas used in information alerts you to potential many homes.
  • Page 5: Instruments And Controls

    Instrument Panel Indicators Malfunction Indicator Lamp This indicator comes on for a few seconds when you turn the ignition switch to the ON (II) position. If it comes on at any other time, it indicates one of the engine’s emissions control systems may have a problem.
  • Page 6 Instrument Panel Indicators If you smell natural gas or hear a Low Fuel Indicator tank begins to drop, and the hissing sound, except when refueling, pressure inside the tank drops too. the fuel system may have a leak. LOW FUEL INDICATOR This means that when the outside air Follow the instructions under gets very cold [below 25°F ( 4°C)],...
  • Page 7: Gauges

    Gauges, Rear Seat Fuel Gauge The gauge may show slightly more Rear Seat or less than the actual amount. The Unlike the standard Civic, the seat- LOWER ‘‘F’’ MARK tank temperature, fill method, and back cannot be folded down. ambient conditions may affect the pressure and temperature of the natural gas.
  • Page 8: Before Driving

    Fuel Your Civic GX is designed to operate Compressed Natural Gas (CNG) on compressed natural gas (CNG). The main component of compressed The natural gas you use to refuel natural gas is methane, a highly Compressed natural gas is must meet NFPA-52 and SAE J1616 flammable, colorless gas.
  • Page 9: Refueling Procedure

    Fuel, Refueling Procedure CNG Identification Refueling Procedure Your vehicle’s maximum fill pressure There are two methods of refueling, is 3,600 psi (24,800 kPa), so you CNG LABEL fast filling or slow filling. should refuel with a P36 nozzle. Using a P30 nozzle will fill the tank Fast filling is normally used in fuel to the second (3,000 psi) fill mark on stations for natural gas vehicles.
  • Page 10 Refueling Procedure FUEL Push RECEPTACLE Using f ast f ill equipment at temperatures below 4°F ( 16°C) may damage the f uel system, potentially causing a leak. Only use slow f ill equipment when ambient temperatures are below 4°F ( 16°C). Filling the Fuel Tank The refueling equipment and procedure can vary with the...
  • Page 11 Refueling Procedure If you hear or see fuel/vapor leaking from the nozzle-receptacle connection, stop refueling immediately. Dirt or other debris may be preventing a positive connection. Turn off the refueling station, remove the nozzle, reconnect it to the receptacle, and begin refueling again.
  • Page 12 Refueling Procedure If dirt or other debris are adhering to If you do not close the lid, the fuel Refueling Station Information the inside of the fuel receptacle, gas gauge on the instrument panel will To obtain information about the may leak out after refueling.
  • Page 13: Fuel System Components

    Fuel System Components Fuel system components include a FUEL PRESSURE REGULATOR FUEL TANK fuel tank located in the trunk, an integrated fuel pressure regulator, FUEL FEED LINE FUEL RECEPTACLE an in-tank fuel shutoff valve, high pressure fuel lines, electronically controlled multipoint fuel injectors, and other equipment.
  • Page 14: Fuel Cutoff System

    Fuel System Components, Fuel Cutoff System Fuel system maintenance and repair Fuel Cutoff System Manual Shutoff Valve should be done only by an authorized The in-tank fuel shutoff valve is Honda Civic GX dealer. controlled by the ignition switch. When the ignition switch is in the LOCK (0) or ACCESSORY (I) position, the valve is closed, shutting off fuel flow to the engine.
  • Page 15: Carrying Cargo

    Carrying Cargo Load Limits This figure includes the total weight Steps for Determining Correct Load The maximum load for your vehicle of all occupants, cargo, and Limit is 850 lbs (385 kg). accessories, and the tongue load if Locate the statement ‘‘The you are towing a trailer.
  • Page 16 Carrying Cargo The resulting figure equals the available amount of cargo and luggage load capacity. For Example 1 example, if the ‘‘XXX’’ amount Max Load (850 lbs) Passenger Weight Cargo Weight equals 1,400 lbs. and there will be (150 lbs x 2 = 300 lbs) (550 lbs) five 150 lb.
  • Page 17: Driving

    Carrying Cargo, Starting the Engine The fuel tank is located in the trunk, Starting the Engine Turn the ignition switch to the with a partition between the fuel Apply the parking brake. START (III) position. Do not hold tank and the cargo space. the switch in the START (III) In cold weather, turn off all position for more than 15 seconds...
  • Page 18: Towing A Trailer

    Starting the Engine, Towing a Trailer If you regularly drive your vehicle in Use the following procedure: Towing a Trailer very cold weather [below 4°F Your vehicle is not designed to tow a ( 20°C)], consider having an Turn off all electrical accessories trailer;...
  • Page 19: Maintenance

    Maintenance Minder Your vehicle displays engine oil life Avoid exceeding your vehicle’s and maintenance service items on load limit. This puts excess stress the information display to show you on the engine, brakes, and many Tampering with, or improperly when you should have your dealer do other parts of your vehicle.
  • Page 20 Maintenance Minder Engine Oil Life Display The maintenance item code or codes indicate the main and sub items SEL/RESET BUTTON required at the time of the oil change. MAINTENANCE MINDER INDICATOR MAINTENANCE ENGINE OIL LIFE ENGINE OIL LIFE DISPLAY ITEM CODE(S) INDICATOR To see the current engine oil life, If the remaining engine oil life is 15...
  • Page 21 Maintenance Minder Important Maintenance However, service at a dealer is not Precautions mandatory to keep your warranties If you have the required service in effect. Maintenance may be done done but do not reset the display, or by any qualified service facility or reset the display without doing the person who is skilled in this type of service, the system will not show the...
  • Page 22 Maintenance Minder Symbol Maintenance Main Items Symbol Maintenance Sub Items Replace engine oil Rotate tires Replace engine oil and oil filter Replace air cleaner element Replace fuel filter element (low pressure) If you drive in dusty conditions, replace every 15,000 Drain fuel filter (high pressure) miles (24,000 km).
  • Page 23: Engine Oil

    Engine Oil, Engine Coolant Engine Oil 5W-20 oil is formulated for year- Engine Coolant The SAE number tells you the oil’s round protection of your vehicle, to Refer to the Civic Sedan owner’s viscosity or weight. Select the oil for improve cold weather starting, and manual for engine coolant checking your vehicle according to this chart.
  • Page 24: Fuel Tank

    Fuel Tank The fuel tank meets the safety HOOD standards of NGV-2/NFPA-52/DOT NHTSA FMVSS 304. The fuel tank should be inspected every 3 years after its production date. Have a qualified Honda Civic GX dealer or a qualified NGV technician inspect the fuel tank for damage or leaks.
  • Page 25: Tires

    Fuel Tank, Tires FUEL TANK Tires The recommended cold tire pressure for most normal driving conditions is shown below. Tire Size Cold Tire Pressure for Normal Driving Front/Rear: P195/65R15 89H 30 psi (210 kPa , 2.1 kgf/cm ) The compact spare tire pressure is: 60 psi (420 kPa , 4.2 kgf/cm ) These pressures are also given on the tire information label on the...
  • Page 26: Lights

    Lights Replacing a High-mount Brake Light Bulb TRUNK LINING SOCKET SCREW FASTENER BULB Open the trunk. Pull the upper edge of the trunk Remove the socket from the light lining down. assembly by turning it one-quarter Remove the screw from the center turn counterclockwise.
  • Page 27: Storing Your Vehicle

    Lights, Storing Your Vehicle Reinstall the socket. Turn it Storing Your Vehicle After storing your vehicle for an clockwise until it locks. Make sure If you need to park your vehicle for extended period, and before starting the new bulb is working. an extended period, refer to Storing the engine for the first time, open...
  • Page 28: Taking Care Of The Unexpected

    Changing a Flat Tire To change a flat tire, follow the Removing the Spare Tire instructions in the Civic Sedan TOOL KIT TRUNK owner’s manual. To remove the TOOL TRUNK FLOOR FLOOR CASE spare tire from the trunk and to store the flat tire, follow the instructions on this and the next page.
  • Page 29 Changing a Flat Tire Storing a Flat Tire TRUNK LINING JACK RUBBER CAP TRUNK LINING TRUNK FLOOR Bend the lower part of the trunk Turn the jack’s end Raise the trunk floor and the lower lining upward and take the spare counterclockwise to loosen it, then part of the trunk lining as shown.
  • Page 30: If The Fuel System Has A Leak

    Changing a Flat Tire, If the Fuel System Has a Leak To secure the tire, insert the wing If the Fuel System Has a Leak bolt through the hole in the center You may detect a slight natural gas SUPPORT PLATE of the wheel and the trunk lining, odor for a few moments after then tighten the bolt.
  • Page 31: Jump Starting

    If the Fuel System Has a Leak, Jump Starting If you smell natural gas other than Jump Starting when refueling, or if you hear a Do not jump start your vehicle if you hissing sound, follow these suspect a natural gas leak. If you Compressed natural gas is directions: smell natural gas or hear a hissing...
  • Page 32: Fuses

    Fuses, Fuse Locations Fuses To check and replace fuses, follow Amps. Circuits Protected Amps. Circuits Protected the instructions in the Civic Sedan owner’s manual. 7.5 A Power Window 10 A Left Headlight Low Beam Since your vehicle’s interior fuses 15 A Fuel Pump 20 A Headlight High Beam Main...
  • Page 33: Technical Information

    Specifications Dimensions Capacities Length 176.7 in (4,489 mm) Fuel tank service pressure 3,600 psi (24,800 kPa) at 70°F Width 69.0 in (1,752 mm) (21°C) Height 56.5 in (1,435 mm) Fuel tank capacity 3,000 psi: 7.2 gasoline gallons Wheelbase 106.3 in (2,700 mm) equivalent (GGE) Track Front...
  • Page 34 Specifications Air Conditioning Fuses Refrigerant type HFC-134a (R-134a) Interior See page 30 or the fuse label Charge quantity 14.1 15.9 oz (400 450 g) attached to the driver’s lower Lubricant oil type SP-10 corner panel. Under-hood Fuses in the Civic Sedan Lights owner’s manual.
  • Page 35: Authorized Manuals

    Call Helm Inc. at 1-800-782-4356 (credit card orders only) Service Manual Go online at www. helminc. com 61SNA06 2006-2008 Civic GX 4 Door If you are interested in other years or models, contact Helm Inc. Service Manual Supplement at 1-800-782-4356. 61SNA05EL...
  • Page 36 Authorized Manuals Service Manual: Covers maintenance and recommended procedures for repair to engine and chassis components. It is written for the journeyman mechanic, but it is simple enough for most mechanically inclined owners to understand. Electrical Troubleshooting Manual: Complements the Service Manual by providing in-depth troubleshooting information for each electrical circuit in your vehicle.

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