2006 Subaru Impreza WRX Owners Manual

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1. Remove the lens by prying the edge of the lens with a flat-head screwdriver. 2. Pull the bulb out of the socket. Install a new bulb. 3. Reinstall the lens. B00191 1. Remove the cover by squeezing its sides and pulling it. 2. Pull the bulb out of the socket. Install a new bulb. 3. Reinstall the cover. B00523 1. Remove the high mount stop light cov- er by prying the edge with a screwdriver. 2. Remove the bulb socket from the high mount stop light assembly by turning it counterclockwise. 3. Pull the bulb out of the socket. Install a new bulb. 4. Reinstall the cover. CONTINUED 11-52 Maintenance and service Wagon B00531 1. Remove the mounting screws using a Phillips screwdriver and then remove the high mount stop light cover. 2. Remove the bulbs from the socket by pushing it and turning counterclockwise. Install a new bulb. 3. Reinstall the cover. 4. Tighten the mounting screws. NOTE Other bulbs may be difficult to replace. Have your SUBARU dealer replace these bulbs if necessary. Specifications Dimensions ............................................................. Engine ...................................................................... Electrical system .................................................... Capacities ................................................................ Tires ......................................................................... Wheel alignment ..................................................... Specifications ..................................................... 12-2 12-2 12-3 12-3 12-4 12-4 12-5 Fuses and circuits .............................................. 12-6 12-6 Fuse panel located behind the coin tray ............. Fuse panel located in the engine compartment ......................................................... 12-8 Bulb chart ............................................................ 12-9 Vehicle identification ......................................... 12-10 12 12-2 Specifications Specifications These specifications are subject to change without notice. Specifications in (mm) Dimensions Item Drive system Transmission type Overall length Overall width Overall height Sedan Wagon Without roofrail With roofrail Wheel base Tread Front Rear Ground clearance*1 *1: Measured with vehicle empty AT: Automatic transmission MT: Manual transmission 2.5-liter non-turbo 2.5i Sedan 2.5-liter turbo Wagon 2.5-liter non-turbo 2.5-liter turbo WRX WRX-STI 2.5i OUTBACK SPORT WRX AT MT AT MT 68.5 (1,740) 56.7 (1,440) 99.4 (2,525) 58.5 (1,485) 58.1 (1,475) 6.3 (160) 58.3 (1,480) 6.3 (160) AWD MT AT 175.8 (4,465) MT AT MT AT MT 56.3 (1,430) 100 (2,540) 58.7 (1,490) 58.9 (1,495) 5.7 (145) 66.7 (1,695) 57.7 (1,465) 58.5 (1,485) 57.7 (1,465) 6.3 (160) 67.3 (1,710) 58.1 (1,475) 58.9 (1,495) 99.4 (2,525) 57.5 (1,460) 57.3 (1,455) 6.7 (170) 66.7 (1,695) 57.7 (1,465) 58.5 (1,,485) 57.7 (1,465) 6.3 (160) Engine Engine model Engine type Displacement cc (cu-in) Bore Compression ratio Firing order Stroke in (mm)  Specifications 12-3 EJ253 (2.5-liter, SOHC, non-turbo) EJ255 (2.5-liter, DOHC, turbo, WRX) EJ257 (2.5-liter, DOHC, turbo, WRX-STI) Horizontally opposed, liquid cooled 4 cylinder, 4-stroke gasoline engine 10.0 : 1 3.9  2,457 (150) 3.1 (99.5 8.4 : 1  79.0) 1 3 2 4 Electrical system Battery type and capacity (5HR) Alternator Spark plugs AT: Automatic transmission MT: Manual transmission MT AT WRX Except WRX Non-turbo engine Turbo engine 8.2 : 1 12V-48AH (55D23L) 12V-52AH (75D23L) 12V-110A 12V-90A FR5AP-11 (NGK) ILFR6B (NGK) CONTINUED 12-4 Specifications Capacities Fuel tank Engine oil Transmission oil (MT) AT differential gear oil Rear differential gear oil Transmission oil (AT) Power steering fluid Engine coolant 5-speed 6-speed Non-turbo engine Turbo engine AT: Automatic transmission MT: Manual transmission Tires Tire size Wheel size Pressure Temporary spare tire Item Front Rear Size Pressure 15.9 US gal (60 liters, 13.2 Imp gal) 4.2 US qt (4.0 liters, 3.5 Imp qt) 3.7 US qt (3.5 liters, 3.1 Imp qt) 4.3 US qt (4.1 liters, 3.6 Imp qt) 1.3 US qt (1.2 liters, 1.1 Imp qt) 1.1 US qt (1.0 liters, 0.9 Imp qt) 0.8 US qt (0.8 liters, 0.7 Imp qt) 10.0 US qt (9.5 liters, 8.4 Imp qt) 0.7 US qt (0.7 liter, 0.6 Imp qt) 7.4 US qt (7.0 liters, 6.2 Imp qt) 7.3 US qt (6.9 liters, 6.1 Imp qt) 8.1 US qt (7.7 liters, 6.8 Imp qt) WRX-STI Others MT AT MT 2.5i, OUTBACK SPORT P205/55R16 89V 16 61/2 JJ  WRX 215/45R17 91W 17 7 JJ  WRX-STI 225/45R17 90W 17 8 JJ  33 psi (230 kPa, 2.3 kgf/cm2) 33 psi (230 kPa, 2.3 kgf/cm2) 36 psi (250 kPa, 2.5 kgf/cm2) 30 psi (210 kPa, 2.1 kgf/cm2) 32 psi (220 kPa, 2.2 kgf/cm2) 30 psi (210 kPa, 2.1 kgf/cm2) T135/70 D16 T135/70 D17 60 psi (420 kPa, 4.2 kgf/cm2) Specifications 12-5 Wheel alignment Item Drive system Toe Camber Front Rear Front Rear 2.5-liter non-turbo 2.5i 15 25 0  1  Sedan WRX 25 30 0  1  2.5-liter turbo 2.5-liter non-turbo WRX-STI 2.5i OUTBACK SPORT 2.5-liter turbo WRX Wagon AWD 0 in (0 mm) 0 in (0 mm) 30 40 0  1  10 15 0  1  05 10 0 1   20 20 0 1   12-6 Specifications Fuses and circuits Fuse panel located behind the coin tray 10 11 12 13 14 15 16 17 18 19 20 21 22 23 C00000 Fuse panel Fuse rating Circuit 10 11 12 13 14 15A 15A 15A 20A 10A 15A 15A 20A 15A Empty 15A 10A 10A 10A Heater fan Heater fan Power door lock Remote keyless entry Cigarette lighter Remote controlled rear view mirrors Tail light Parking light SRS airbag Fog light ABS solenoid Radio Engine ignition system SRS airbag AT control system Illumination brightness control Combination meter SRS lamp Rear window wiper and washer Fuse panel Fuse rating Circuit 15 16 17 18 19 20 21 22 23 30A 20A 15A 15A 20A Empty 15A 10A 20A Windshield wiper and washer Brake light Air conditioner Backup light Cruise control Mirror heater Ignition coil (Non-turbo model only) ABS ignition Accessory power outlet (cargo) Seat heater Specifications 12-7 CONTINUED 12-8 Specifications Fuse panel located in the engine compartment Fuse panel Fuse rating Circuit 10 11 12 13 1 2 A) FWD socket (AT models except Turbo) B) Main fuse C) Engine sensor (Non-turbo models) C00107 10 11 12 13 20A 20A 30A 20A 15A 15A 10A 10A 15A 15A 20A 20A 10A Radiator cooling fan (Main) Radiator cooling fan (Sub) ABS motor Rear window defogger Hazard warning flasher Horn Turn signal lights Automatic transmission control unit Alternator Headlight (right side) Headlight (left side) Lighting switch Clock Interior light Secondary air combination valve (Turbo models only) Bulb chart Specifications 12-9 Description Headlight WRX-STI version Low beam High beam Except WRX-STI ver- sion Low beam High beam Front fog light Front turn signal light Parking light Front side marker light Rear combination light Brake/tail light Turn signal light Backup light Wattage Bulb type 12V-35W 12V-60W 12V-55W 12V-60W 12V-55W 12V-21W 12V-5W 12V-5W D2S 9005 (HB3) H7 9005 (HB3) H3 168 12V-21/5W 12V-21W (Amber) 12V-21W 7443 7440 High mount stop light Sedan (in compartment) 12V-21W Sedan (in rear spoiler) 12V-1.2W 12V-13W Wagon 12V-5W 12V-5W 12V-5W 12V-1.4W 12V-8W 12V-8W License plate light Trunk room light Cargo area light Front ashtray light Dome light Map light 912 168 1) Vehicle identification number 2) Vacuum hose connections label/ Emission control label 3) Tire inflation pressure label 4) Certification plate 5) Bar cord label (U.S. only) 6) Vehicle identification number plate 7) Model number plate 8) Radio noise label (Canada only) 9) Fuel label 12-10 Specifications Vehicle identification C00108 Consumer information and Reporting safety defects Tire information .................................................. 13-2 13-2 13-5 13-6 13-7 13-8 Tire labeling ............................................................. Recommended tire inflation pressure .................. Glossary of tire terminology .................................. Tire care maintenance and safety practices ..... Vehicle load limit how to determine ................... Determining compatibility of tire and vehicle load capacities ...................................................... 13-10 Adverse safety consequences of overloading on handling and stopping and on tires ................... 13-11 Steps for Determining Correct Load Limit ........... 13-11 Uniform tire quality grading standards ............ 13-12 Treadwear ................................................................ 13-12 Traction AA, A, B, C ................................................ 13-12 Temperature A, B, C ............................................... 13-12 Reporting safety defects (USA) ......................... 13-13 13 13-2 Consumer information and Reporting safety defects For U.S.A. The following information has been com- piled according to Code of Federal Regu- lations Title 49, Part 575. Consumer information and Reporting safety defects Tire information Tire labeling Many markings (e.g. Tire size, Tire Identification Number or TIN) are placed on the sidewall of a tire by tire manufacturers. These marking can provide you with useful information on the tire. Tire size Your vehicle comes equipped with P- Metric tire size. It is important to un- derstand the sizing system in select- ing the proper tire for your vehicles. Here is a brief review of the tire sizing system with a breakdown of its indi- vidual elements. P Metric With the P-Metric system, Section Width is measured in millimeters. To convert millimeters into inches, divide by 25.4. The Aspect Ratio (Section Height divided by Section Width) helps provide more dimensional infor- mation about the tire size. Example: (4) (3) (2) P 205 / 55 R 16 (1) (5) (1) P = Certain tire type used on light duty vehicles such as passenger cars (2) Section Width in millimeters (3) Aspect Ratio (= section height section width). (4) R = Radial Construction (5) Rim diameter in inches  Load and Speed Rating Descrip- tions The load and speed rating descrip- tions will appear following the size designation. They provide two important facts about the tire. First, the number des- ignation is its load index. Second, the letter designation indicates the tires speed rating. Example: P 205 / 55 R 16 89 V (7) (6) Load Index: A numerical code Size designation (6) Consumer information and Reporting safety defects 13-3 which specifies the maximum load a tire can carry at the speed indicated by its speed symbol, at maximum in- flation pressure. For example, 90 means 1,323 lbs (600 kg), 89 means 1,278 lbs (580 kg). Load indices apply only to the tire, not to the vehicle. Putting a load rated tire on any vehicle does not mean the vehicle can be loaded up to the tires rated load. (7) Speed Rating: An alphabetical system describing a tires capability to travel at established and predeter- mined speeds. For example, V means 149 mph (240 km/h) Speed ratings apply only to the tire, not to the vehicle. Put- ting a speed rated tire on any vehicle does not mean the ve- hicle can be operated at the tires rated speed. The speed rating is void if the tires are worn out, damaged, repaired, retreaded, or other- wise altered from their original condition. If tires are repaired, retreaded, or otherwise al- tered, they may not be suitable for original equipment tire de- signed loads and speeds. Tire Identification Number (TIN) Tire Identification Number (TIN) is marked on the intended outboard sidewall. The TIN is composed of four groups. Here is a brief review of the TIN with a breakdown of its individual elements. DOT XX XX XXX XXXX (1) (2) (3) (4) Identification (1) Manufacturers Mark (2) Tire Size (3) Tire Type Code (4) Date of Manufacture The first two figures identify the week, starting with 01 to represent the first full week of the calendar year; the second two figures represent the year. For example, 0101 means the 1st week of 2001. Other markings following makings are also The placed on the sidewall. Maximum permissible inflation pressure The maximum cold inflation pressure to which this tire may be inflated. For example, 300 kpa (44 PSI) MAX. PRESS Maximum load rating The load rating at the maximum per- missible weight load for this tire. For example, MAX. LOAD 580 kg (1279 LBS) @ 300 kpa (44 PSI) MAX. PRESS. CONTINUED 13-4 Consumer information and Reporting safety defects Maximum load rating applies only to the tire, not to the vehi- cle. Putting a load rated tire on any vehicle does not mean the vehicle can be loaded up to the tires rated load. Construction type Applicable construction of this tire. For example, TUBELESS STEEL BELTED RADIAL Construction The generic name of each cord mate- rial used in the plies (both sidewall and tread area) of this tire. For example, PLIES: TREAD 2 STEEL + 2 POLYESTER SIDEWALL 2 POLYESTER Uniform Tire Quality Grading (UTQG) For details, refer to Uniform tire qual- ity grading standards in this chapter. Recommended tire inflation pressure Recommended cold tire inflation pressure Recommended cold tire inflation pressure for your vehicles tires is as follows, Consumer information and Reporting safety defects 13-5 Tire size Wheel size Pressure Item Front Rear Temporary spare tire Size Pressure 2.5i, OUTBACK SPORT P205/55R16 89V 33 psi (230 kPa, 2.3 61/2 JJ 16  kgf/cm2) WRX WRX-STI 215/45R17 91W 225/45R17 90W 17 7 JJ 17 8 JJ 33 psi (230 kPa, 2.3  kgf/cm2) 36 psi (250 kPa, 2.5  kgf/cm2) 30 psi (210 kPa, 2.1 kgf/cm2) 32 psi (220 kPa, 2.2 kgf/cm2) 30 psi (210 kPa, 2.1 kgf/cm2) T135/70 D16 T135/70 D17 60 psi (420 kPa, 4.2 kgf/cm2) CONTINUED 13-6 Consumer information and Reporting safety defects Vehicle placard B00164 The vehicle placard is affixed to the drivers side B-pillar. Example: D00126 The vehicle placard shows original tire size, recommended cold tire infla- tion pressure on each tire at maxi- mum loaded vehicle weight, seating capacity and loading information. Adverse safety consequences of under-inflation Driving at high speeds with exces- sively low tire pressures can cause the tires to flex severely and to rapidly become hot. A sharp increase in tem- perature could cause tread separa- tion, and failure of the tire(s). Possi- ble resulting loss of vehicle control could lead to an accident. Measuring and adjusting air pressure to achieve proper infla- tion Check and, if necessary, adjust the pressure of each tire (including the spare) at least once a month and be- fore any long journey. Check the tire pressures when the tires are cold. Use a pressure gauge to adjust the tire pressures to the specific values. Driving even a short distance warms up the tires and increases the tire pressures. Also, the tire pressures are affected by the outside tempera- ture. It is best to check tire pressure outdoors before driving the vehicle. When a tire becomes warm, the air in- side it expands, causing the tire pres- sure to increase. Be careful not to mistakenly release air from a warm tire to reduce its pressure. Glossary of tire terminology Cold tire pressure The pressure in a tire that has been driven less than 1 mile or has been standing for three hours or more. Maximum inflation pressure The maximum cold inflation pressure to which a tire may be inflated. Recommended inflation pres- sure The cold inflation pressure recom- mended by a vehicle manufacturer. Intended outboard sidewall 1)The sidewall that contains a whitewall, bears white lettering or bears manufacturer, brand, and/or model name molding that is higher or deeper than the same molding on the other sidewall of the tire, or 2)The outward facing sidewall of an asymmetrical tire that has a particu- lar side that must always face out- ward when mounting on a vehicle. Accessory weight The combined weight (in excess of those standard items which may be replaced) of floor mats, leather seats and cross bars to the extent that these items are available as factory-in- stalled equipment (whether installed or not). Curb weight The weight of a motor vehicle with standard equipment the maximum capacity of fuel, oil, and coolant and air conditioning. including Maximum loaded vehicle weight The sum of curb weight, accessory weight, vehicle capacity weight and production options weight. Normal occupant weight 150 lbs (68 kg) times the number of occupants (3 occupants). Occupant distribution Distribution of occupants in a vehicle, 2 in front, 1 in rear seat. Production options weight The combined weight of those in- stalled regular production options Consumer information and Reporting safety defects 13-7 weighing over 5.1 lbs (2.3 kg) in ex- cess of those standards items which they replace, not previously consid- ered in curb weight or accessory weight. Vehicle capacity weight The total weight of cargo, luggage and occupants that can be added to the vehicle. Vehicle maximum load on a tire Load on an individual tire that is deter- mined by distributing to each axle its share of the maximum loaded vehicle weight and dividing by two. Vehicle normal load on a tire Load on an individual tire that is deter- mined by distributing to each axle its share of the curb weight, accessory weight, and normal occupant weight and dividing by two. Tire care maintenance and safety practices Check on a daily basis that the tires are free from serious damage, nails, and stones. At the same time, check the tires for abnormal wear. Inspect the tire tread regularly and replace the tires before their tread wear indicators become visible. When a tires tread wear indicator becomes visible, the tire is worn beyond the ac- ceptable limit and must be replaced immediately. With a tire in this condi- tion, driving at even low speeds in wet weather can cause the vehicle to hy- droplane. Possible resulting loss of vehicle control can lead to an acci- dent. To maximize the life of each tire and ensure that the tires wear uniformly, it is best to rotate the tires every 7,500 miles (12,500 km). Rotating the tires involves switching the front and rear tires on the right-hand side of the ve- hicle and similarly switching the front and rear tires on the left-hand side of the vehicle. (Each tire must be kept on its original side of the vehicle.) Re- place any damaged or unevenly worn tire at the time of rotation. After tire ro- tation, adjust the tire pressures and make sure the wheel nuts are correct- ly tightened. A tightening torque spec- ification and a tightening sequence specification for the wheel nuts can be found Flat tires section in chapter 9. CONTINUED 13-8 Consumer information and Reporting safety defects Vehicle load limit how to de- termine The load capacity of your vehicle is determined by weight, not by avail- able cargo space. The load limit of your vehicle is shown on the vehicle placard attached to the drivers side B-pillar. Locate the statement The combined weight of occupants and cargo should never exceed XXX kg or XXX lbs on your vehicles placard. The vehicle placard also shows seat- ing capacity of your vehicle. The total load capacity includes the total weight of driver and all passen- gers and their belongings, any cargo, any optional equipment such as a trailer hitch, roof rack or bike carrier, etc., and the tongue load of a trailer. Therefore cargo capacity can be cal- culated by the following method. Cargo capacity = Load limit (total weight of occupants + total weight of optional equipment + tongue load of a trailer (if applicable)) For towing capacity information and weight limits, refer to Trailer towing section in chapter 8. Calculating total and load capac- ities varying seating configura- tions Calculate the available load capacity as shown in the following examples: Example 1A 1. Calculate the total weight. Total weight = 154 lbs (70 kg) + 662 lbs (300 kg) (Occupant) (Cargo) = 816 lbs (370 kg) 2. Calculate the available load capac- ity by subtracting the total weight from the vehicle capacity weight of 900 lbs (408 kg). 3. The result of step 2 shows that a further 84 lbs (38 kg) of cargo can be carried. D00117 Vehicle capacity weight of the vehicle is 900 lbs (408 kg), which is indicated on the vehicle placard with the state- ment The combined weight of occu- pants and cargo should never exceed 900 lbs or 408 kg. For example, if the vehicle has one occupant weighing 154 lbs (70 kg) plus cargo weighing 662 lbs (300 kg). Example 1B 2. Calculate the available load capac- ity. Consumer information and Reporting safety defects 13-9 on the vehicle placard with the state- ment The combined weight of occu- pants and cargo should never exceed 408 kg or 900 lbs. For example, the vehicle has one oc- cupant weighing 165 lbs (75 kg) plus cargo weighing 375 lbs (170 kg). In addition, the vehicle is fitted with a trailer hitch weighing 22 lbs (10 kg), to which is attached a trailer weighing 1,764 lbs (800 kg). 10% of the trailer weight is applied to the trailer tongue (i.e. Tongue load = 176 lbs (80 kg)). 1. Calculate the total weight. Total weight = 165 lbs (75 kg) + 375 lbs (170 kg) (Occupant) (Cargo) 3. The total weight now exceeds the capacity weight by 92 lbs (42 kg), so the cargo weight must be reduced by 92 lbs (42 kg) or more. Example 2A D00118 Vehicle capacity weight of the vehicle is 900 lbs (408 kg), which is indicated + 22 lbs (10 kg) + 176 lbs (80 kg) (Tongue load) (Trailer hitch) = 738 lbs (335 kg) 2. Calculate the available load capac- ity. CONTINUED 800260 For example, if a person weighing 176 lbs (80 kg) now enters the same vehi- cle (bringing the number of occupants to two), the calculations are as fol- lows: 1. Calculate the total weight. Total weight = 154 lbs (70 kg) + 176 lbs (80 kg) (Occupant) + 662 lbs (300 kg) (Cargo) = 992 lbs (450 kg) 13-10 Consumer information and Reporting safety defects 3. The result of step 2 shows that a further 162 lbs (73 kg) of cargo can be carried. Example 2B the vehicle for the child to use, the cal- culations are as follows: 1. Calculate the total weight.              2. Calculate the available load capac- ity. D00119 For example, if a person weighing 143 lbs (65 kg) and a child weighing 40 lbs (18 kg) now enter the same vehicle (bringing the number of occupants to three), and a child restraint system weighing 11 lbs (5 kg) is installed in 3. The total weight now exceeds the capacity weight by 32 lbs (15 kg), so the cargo weight must be reduced by 32 lbs (15 kg) or more. Determining compatibility of tire and vehicle load capaci- ties The sum of four tires maximum load ratings must exceed the maximum loaded vehicle weight (GVWR). In addition, sum of the maximum load ratings of two front tires and of two rear tires must exceed each axles maximum loaded capacity (GAWR). Original equipment tires are designed to fulfill those conditions. The maximum loaded vehicle weight is referred to Gross Vehicle Weight Rating (GVWR). And each axles maximum loaded capacity is referred to Gross Axle Weight Rating (GAWR). The GVWR and each axles GAWR are shown on the vehicle cer- tification label affixed to the drivers door. The GVWR and front and rear GAWRs are determined by not only the maximum load rating of tires but also loaded capacities of the vehicles suspension, axles and other parts of the body. Therefore, this means that the vehicle cannot necessarily be loaded up to the tires maximum load rating on the tire sidewall. Adverse safety consequenc- es of overloading on handling and stopping and on tires Overloading could affect vehicle han- dling, stopping distance, vehicle and tire as shown in the following. This could lead to an accident and possibly result in severe personal injury. Vehicle stability will deteriorate. Heavy and/or high-mounted loads could increase the risk of rollover. Stopping distance will increase. Brakes could overheat and fail. Suspension, bearings, axles and other body parts could break or expe- rience accelerated wear that will shorten vehicle life. Tires could fail. Tread separation could occur. Tire could separate from its rim. Consumer information and Reporting safety defects 13-11 ferred to your vehicle. Consult this manual to determine how this reduc- es the available cargo and luggage load capacity of your vehicle. Steps for Determining Cor- rect Load Limit 1. Locate the statement The com- bined weight of occupants and cargo should never exceed XXX pounds on your vehicles placard. 2. Determine the combined weight of the driver and passengers that will be riding in your vehicle. 3. Subtract the combined weight of the driver and passengers from XXX kilograms or XXX pounds. 4. The resulting figure equals the available amount of cargo and lug- gage load capacity. For example, if the XXX amount equals 1,400 lbs (635 kg) and there will be five- 150 lbs (68 kg) passengers in your vehicle, the amount of available cargo and luggage load capacity is 650 lbs. (1,400 750 (5 5. Determine the combined weight of  luggage and cargo being loaded on the vehicle. That weight may not safe- ly exceed the available cargo and lug- gage load capacity calculated in Step 4. 6. If your vehicle will be towing a trail- er, load from your trailer will be trans- 150) = 650 lbs.) 13-12 Consumer information and Reporting safety defects Uniform tire quality grading standards Treadwear This information indicates the relative performance of passenger car tires in the area of treadwear, traction, and temperature resistance. This is to aid the consumer in making an informed choice in the purchase of tires. Quality grades can be found where applicable on the tire sidewall be- tween tread shoulder and maximum section width. For example: Treadwear 200 Traction AA Tem- perature A The quality grades apply to new pneu- matic tires for use on passenger cars. However, they do not apply to deep tread, winter type snow tires, space- saver or temporary use spare tires, tires with nominal rim diameters of 12 inches or less, or to some limited pro- duction tires. All passenger car tires must confirm to Federal Safety Requirements in addition to these grades. The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled con- ditions on a specified government test course. For example, a tire graded 150 would wear one and one-half (1-1/2) times as well on the government course as a tire graded 100. The relative perfor- mance of tires depends upon the ac- tual conditions of their use, however, and may depart significantly from the norm due to variations in driving hab- its, service practices and differences in road characteristics and climate. Traction AA, A, B, C The traction grades, from highest to lowest, are AA, A, B and C. Those grades represent the tires ability to stop on wet pavement as measured under controlled conditions on speci- fied government test surfaces of as- phalt and concrete. A tire marked C may have poor traction performance. The traction grade assigned to this tire is based on straight- ahead braking traction tests, and does not include accelera- tion, cornering, hydroplaning, or peak traction characteristics. Temperature A, B, C The temperature grades are A (the highest), B, and C, representing the tires resistance to the generation of heat and its ability to dissipate heat when tested under controlled condi- tions on a specified indoor laboratory test wheel. Sustained high tempera- ture can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure. The grade C corre- sponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standards No. 109. Grades B and A represent higher levels of per- formance on the laboratory test wheel than the minimum required by law. Consumer information and Reporting safety defects 13-13 tain other information about motor vehicle safety from the Hotline. The temperature grade for this tire is established for a tire that is properly inflated and not over- loaded. Excessive speed, under- inflation, or excessive loading, either separately or in combina- tion, can cause heat buildup and possible tire failure. Reporting safety defects (USA) If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately in- form the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Subaru of America, Inc. If NHTSA receives similar com- plaints, it may open an investiga- tion, and if it finds that a safety de- fect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA can- not become involved in individual problems between you, your deal- er, or Subaru of America, Inc. To contact NHTSA, you may either call the Auto Safety Hotline toll- free at 1-800-424-9393 (or 366- 0123 in the Washington D.C. area) or write to: NHTSA, U.S. Depart- ment of Transportation, Washing- ton, D.C. 20590. You can also ob- Index 14 14-2 Index ABS (Anti-lock Brake System) .......................................... 7-22 Warning light ....................................................... 3-17, 7-23 Accessories ............................................................. 5-2, 11-43 Accessory power outlet ............................................... 6-5, 6-7 Active head restraint ........................................................... 1-4 Air cleaner element ........................................................ 11-15 Air conditioner operation .................................................... 4-7 Air filtration system ........................................................... 4-12 Air flow selection ................................................................ 4-2 Alarm system .................................................................... 2-13 All-Wheel Drive warning light (AWD AT vehicles) ............ 3-19 Aluminum wheels ........................................................... 11-35 Antenna system ................................................................. 5-2 Anti-lock Brake System (ABS) .......................................... 7-22 Arming the system ............................................................ 2-14 Armrest ............................................................................... 1-7 Ashtray ............................................................................... 6-8 AT OIL TEMPerature warning light .................................. 3-17 Audio set ............................................................................ 5-3 Auto-dimming mirror/compass ......................................... 3-32 Automatic climate control system ....................................... 4-7 Automatic transmission .................................................... 7-16 Capacities .................................................................... 12-4 Fluid ........................................................................... 11-20 Selector lever ............................................................... 7-16 Shift lock release ......................................................... 7-19 Temperature warning light ........................................... 3-17 Automatic/Emergency Locking Retractor (A/ELR) ........... 1-11 Battery ............................................................................ 11-40 Brake Jump starting ................................................................. 9-9 Replacement (Remote keyless entry system) ............... 2-9 Booster ...................................................................... 11-27 Fluid ........................................................................... 11-25 Pad and lining ............................................................ 11-28 Pedal .......................................................................... 11-27 Brake pedal Free play .................................................................... 11-27 Reserve distance ....................................................... 11-27 Brake system .................................................................... 7-21 Warning light ................................................................ 3-18 Braking ............................................................................. 7-21 Breaking-in of new brake pads and linings ................ 11-29 Tips .............................................................................. 7-21 Chart ............................................................................ 12-9 Replacing ................................................................... 11-44 Bulb Capacities ......................................................................... 12-4 Cargo Area bars ..................................................................... 6-12 Area cover ................................................................... 6-10 Area light ............................................................. 6-2, 11-50 Tie-down hooks ........................................................... 6-11 Catalytic converter .............................................................. 8-3 Center Console .......................................................................... 6-4 Ventilators ...................................................................... 4-3 Changing Flat tire ........................................................................... 9-4 Checking Oil and oil filter ............................................................. 11-8 Charge warning light ........................................................ 3-16 CHECK ENGINE warning light/Malfunction indicator lamp .............................................................................. 3-16 Brake pedal free play ................................................. 11-27 Brake pedal reserve distance .................................... 11-27 Clutch function ........................................................... 11-28 Clutch pedal free play ................................................ 11-28 Engine oil level ............................................................ 11-8 Fluid level ................................. 11-20, 11-24, 11-25, 11-26 Gear oil level ........................................ 11-18, 11-21, 11-22 Child restraint systems ..................................................... 1-23 Installation with A/ELR seatbelt ................................... 1-26 Lower and tether anchorages ...................................... 1-30 Child safety ............................................................................ 5 Locks ........................................................................... 2-18 Key ................................................................................ 3-5 Seatbelt .............................................................. 1-11, 3-14 Cigarette lighter socket ....................................................... 6-6 Cleaning Aluminum wheels ........................................................ 10-3 Interior ......................................................................... 10-5 Ventilator grille ............................................................. 4-11 Climate control system Automatic ....................................................................... 4-7 Manual ........................................................................... 4-3 Clock ................................................................................ 3-22 Clutch fluid ...................................................................... 11-26 Clutch pedal ................................................................... 11-28 Coat hook ........................................................................... 6-9 Chime Index 14-3 Coin tray ............................................................................. 6-4 Cooling system ............................................................... 11-12 Corrosion protection ................................................ 8-10, 10-4 Cruise control .................................................................... 7-27 Indicator light ................................................................ 3-20 Set indicator light ......................................................... 3-20 Cup holder .......................................................................... 6-5 Daytime running light system ............................................ 3-23 Differential gear oil Front ........................................................................... 11-21 Rear ........................................................................... 11-22 Dimensions ....................................................................... 12-2 Disarming the system ....................................................... 2-15 Disc brake pad wear warning indicators ........................... 7-22 Dome light ................................................................ 6-2, 11-50 Door locks ........................................................................... 2-4 Door open warning light .................................................... 3-19 Drive belts ....................................................................... 11-18 Drivers control center differential ..................................... 7-12 Drivers control center differential Auto indicator light ....................................................... 3-20 Indicator lights .............................................................. 3-21 Driving Car phone/cell phone ........................................................ 7 Drinking ............................................................................. 6 Drugs ................................................................................ 7 Foreign countries ........................................................... 8-4 Pets ................................................................................... 7 Snowy and icy roads ...................................................... 8-9 Tips ............................................................. 7-10, 7-12, 8-5 14-4 Index Tired or sleepy ................................................................... 7 EBD (Electronic brake force distribution) system ............. 7-24 Electrical system .............................................................. 12-3 Electronic Brake Force Distribution (EBD) system ........... 7-24 Emergency Locking Retractor (ELR) ................................ 1-11 Engine Compartment overview ................................................ 11-6 Coolant ...................................................................... 11-12 Exhaust gas (Carbon monoxide) ............................... 6, 8-2 Hood ............................................................................ 11-4 Oil ................................................................................ 11-8 Overheating ................................................................. 9-11 Starting .......................................................................... 7-7 Stopping ........................................................................ 7-8 Exterior care ..................................................................... 10-2 Flat tires ............................................................................. 9-4 Floor mat ............................................................................ 6-9 Fluid level Automatic transmission ............................................. 11-20 Brake ......................................................................... 11-25 Clutch ........................................................................ 11-26 Power steering ........................................................... 11-24 Folding down the rear seat ................................................. 1-8 Front Differential gear oil ..................................................... 11-21 Fog light ..................................................................... 11-48 Fog light button ............................................................ 3-26 Seatbelt pretensioners ................................................. 1-20 Seats .............................................................................. 1-2 Turn signal light ......................................................... 11-48 Fuel ..................................................................................... 7-2 Economy hints ............................................................... 8-2 Filler lid and cap ............................................................. 7-4 Gauge ................................................................... 3-8, 3-12 Requirements ................................................................ 7-2 Fuses .............................................................................. 11-41 Fuses and circuits ............................................................. 12-6 GAWR (Gross Axle Weight Rating) .................................. 8-14 Glove box ........................................................................... 6-4 GVWR (Gross Vehicle Weight Rating) ............................. 8-14 Hazard warning flasher ....................................................... 3-6 Head restraint adjustment (Front) ....................................... 1-4 Head restraint adjustment (Wagon) .................................... 1-7 Headlight beam leveler ..................................................... 3-25 Headlight flasher ............................................................... 3-23 Headlight indicator light .................................................... 3-21 Headlights .............................................................. 3-22, 11-45 Heater operation ................................................................. 4-5 High beam indicator light .................................................. 3-20 High mount stop light ...................................................... 11-51 Horn .................................................................................. 3-35 Hose and connections .................................................... 11-12 I Ignition switch ..................................................................... 3-3 Illuminated entry ................................................................. 2-8 Illumination brightness control .......................................... 3-25 Immobilizer ......................................................................... 2-3 Indicator light High beam ................................................................... 3-20 Selector lever position ................................................. 3-20 Turn signal ................................................................... 3-20 Inside mirror ..................................................................... 3-32 Intercooler water spray ................................................... 11-35 Switch .......................................................................... 3-31 Warning light ................................................................ 3-19 Interior light ......................................................................... 6-2 Internal trunk lid release handle ....................................... 2-21 Jack and jack handle ........................................................ 9-16 Jump starting ...................................................................... 9-9 Key Interlock release ............................................................ 3-5 Number .......................................................................... 2-2 Reminder chime ............................................................ 3-5 Keys ................................................................................... 2-2 Leather seat materials ...................................................... 10-5 Light Cargo area .......................................................... 6-2, 11-50 Index 14-5 Dome .................................................................. 6-2, 11-50 Map ..................................................................... 6-2, 11-50 Light control switch ........................................................... 3-22 Limited slip differential (LSD) ............................................ 7-20 Loading your vehicle ......................................................... 8-12 LSD (Limited slip differential) ............................................ 7-20 Main fuse ........................................................................ 11-43 Maintenance Precautions .................................................................. 11-3 Schedule ...................................................................... 11-3 Seatbelt ........................................................................ 1-18 Tools ............................................................................ 9-16 Malfunction indicator lamp (Check Engine light) ............... 3-16 Manual climate control system ........................................... 4-3 Manual transmission 5 speeds ...................................................................... 7-11 6 speeds ........................................................................ 7-9 Map light .................................................................. 6-2, 11-50 Maximum load limits ......................................................... 8-20 Meters and gauges .................................................... 3-6, 3-11 Mirrors ............................................................................... 3-32 Moonroof .................................................................. 2-24, 9-15 New vehicle break-in driving the first 1,000 miles (1,600 km) ....................................................................... 8-2 Odometer/Trip meter ................................................. 3-7, 3-11 14-6 Index Off road driving ................................................................... 8-6 Oil filter ............................................................................. 11-8 Oil level Engine ......................................................................... 11-8 Front differential (AT vehicles) ................................... 11-21 Manual transmission .................................................. 11-18 Rear differential ......................................................... 11-22 Oil pressure warning light ................................................. 3-16 Outside mirrors ................................................................. 3-33 Outside temperature indicator ................................... 3-9, 3-13 Overheating engine .......................................................... 9-11 Parking Brake ........................................................................... 7-25 Brake stroke .............................................................. 11-29 Light switch .................................................................. 3-25 Tips .............................................................................. 7-25 Periodic inspections ........................................................... 8-4 Power Door locking switches .................................................... 2-6 Steering ....................................................................... 7-21 Steering fluid ............................................................. 11-24 Windows ...................................................................... 2-18 Preparing to drive ............................................................... 7-6 Printed antenna .................................................................. 5-2 Rear Combination lights ..................................................... 11-48 Differential gear oil ..................................................... 11-22 Differential oil temperature warning light ...................... 3-17 Gate ............................................................................. 2-23 Seats .............................................................................. 1-6 Folding down (Wagon) ................................................... 1-8 Defogger button ........................................................... 3-29 Wiper and washer switch ............................................. 3-28 Rear seat Rear window Recommended Automatic transmission fluid ...................................... 11-21 Brake fluid .................................................................. 11-25 Clutch fluid ................................................................. 11-26 Oil grade and viscosity ................................... 11-10, 11-11, 11-19, 11-22, 11-23 Power steering fluid ................................................... 11-24 Spark plugs ................................................................ 11-17 Remote keyless entry system ............................................. 2-7 Replacement Brake pad and lining .................................................. 11-28 Wiper blades .............................................................. 11-37 Air cleaner element .................................................... 11-15 Battery (Remote keyless entry system) ......................... 2-9 Lost transmitters (keyless entry system) ...................... 2-10 Replacing bulbs .............................................................. 11-44 Cargo area light ......................................................... 11-50 Dome light .................................................................. 11-50 Front fog light ............................................................. 11-48 Front turn signal light ................................................. 11-48 Headlights .................................................................. 11-45 High mount stop light ................................................. 11-51 License plate light ...................................................... 11-50 Replacing Map light .................................................................... 11-50 Parking light ............................................................... 11-48 Rear combination lights ............................................. 11-48 Trunk light .................................................................. 11-51 REV indicator light and buzzer ........................................... 3-9 Rocking the vehicle .......................................................... 8-12 Roof rail and crossbar ...................................................... 8-14 Seat Fabric ........................................................................... 10-5 Heater ............................................................................ 1-5 Seatbelt ................................................................................. 4 Extender ...................................................................... 1-19 Maintenance ................................................................ 1-18 Pretensioners .............................................................. 1-20 Safety tips ...................................................................... 1-9 Warning light and chime ..................................... 1-11, 3-14 Seatbelts ............................................................................ 1-9 Selector lever ................................................................... 7-16 Position indicator ......................................................... 3-20 Shift lock release .............................................................. 7-19 Shock sensors .................................................................. 2-17 Side ventilators ................................................................... 4-3 Snow tires ......................................................................... 8-10 Sounding a panic alarm ...................................................... 2-8 Spark plugs .................................................................... 11-17 Specifications ................................................................... 12-2 Speedometer ............................................................. 3-6, 3-11 SRS airbag (Supplemental Restraint System airbag) ....................................................................... 4, 1-35 SRS airbag system monitors ............................................ 1-56 Index 14-7 SRS airbag system servicing ............................................ 1-57 SRS airbag system warning light ...................................... 3-15 SRS side airbag ................................................................ 1-51 Starting the engine .............................................................. 7-7 State emission testing (U.S. only) ....................................... 7-5 Stopping the engine ............................................................ 7-8 Storage compartments ....................................................... 6-4 Sun shades ....................................................................... 2-25 Sun visors ........................................................................... 6-3 Supplemental Restraint System airbag (SRS) .................. 1-35 Synthetic leather upholstery ............................................. 10-5 Tachometer ................................................................ 3-7, 3-12 Temperature gauge ................................................... 3-8, 3-13 Temporary spare tire .......................................................... 9-2 Tilt steering wheel ............................................................. 3-35 Tire Chains .......................................................................... 8-11 Inspection ................................................................... 11-30 Pressures and wear ................................................... 11-30 Replacement .............................................................. 11-33 Rotation ...................................................................... 11-33 Tires .................................................................................. 12-4 Types ......................................................................... 11-30 Tires and wheels ............................................................. 11-30 Top tether anchorages ...................................................... 1-33 Towing .............................................................................. 9-11 All wheels on the ground .............................................. 9-14 Flat-bed truck ............................................................... 9-13 Hitch ............................................................................. 8-17 Trailer 14-8 Index Hitches ........................................................................ 8-23 Towing ......................................................................... 8-19 Towing tips .................................................................. 8-25 Trunk lid ........................................................................... 2-20 Release handle ........................................................... 2-21 Trunk light ...................................................................... 11-51 Turn signal Indicator lights ............................................................. 3-20 Lever ........................................................................... 3-24 Under-floor storage compartment .................................... 6-12 Valet mode ....................................................................... 2-16 Vanity mirror ....................................................................... 6-3 Vehicle Capacity weight ........................................................... 8-13 Identification .............................................................. 12-10 Symbols ............................................................................. 3 Ventilator ............................................................................ 4-2 Warning and indicator lights ............................................. 3-14 Warning lights ABS ............................................................................. 3-17 All-Wheel Drive ............................................................ 3-19 Anti-lock Brake System ............................................... 3-17 AT OIL TEMPerature ................................................... 3-17 Brake system ............................................................... 3-18 Charge ......................................................................... 3-16 CHECK ENGINE ......................................................... 3-16 Door open .................................................................... 3-19 Oil pressure ................................................................. 3-16 R.Diff TEMPerature ..................................................... 3-17 Seatbelt ............................................................... 1-11, 3-14 SRS airbag system ...................................................... 3-15 Warranties and maintenance ............................................ 8-19 Washing ............................................................................ 10-2 Waxing and polishing ....................................................... 10-3 Wear indicators ............................................................... 11-33 Wheel Alignment ..................................................................... 12-5 Balance ...................................................................... 11-32 Replacement .............................................................. 11-34 Windows ........................................................................... 2-18 Windshield Windshield washer fluid ............................................. 11-36 Wiper and washer switches ......................................... 3-27 Wiper deicer ................................................................. 3-30 Winter driving ...................................................................... 8-8 Wiper and washer ............................................................. 3-26 3 13 12 11 10 000134 GAS STATION REFERENCE of 93 AKI or higher. Fuel octane rating Fuel: 2.5-liter non-turbo models Use only unleaded gasoline with an octane rating of 87 AKI or higher. WRX Use premium unleaded gasoline with an octane rating of 91 AKI or higher. If premium unleaded gasoline with an octane rating of 91 AKI is not available, regular unleaded gasoline with octane rating of 87 AKI or higher may be temporarily used. For optimum engine performance and driveability, it is required that you use premium grade unleaded gasoline with an octane rating of 91 AKI or higher. WRX-STI Use super-premium unleaded gasoline with an octane rating of 93 AKI or higher. If super-premium unleaded gasoline with an octane rating of 93 AKI is not available, premium unleaded gasoline with octane rating of 91 AKI or higher may be temporarily used. For op- timum engine performance and driveability, it is required that you use super-premium grade unleaded gasoline with an octane rating Cold tire pressure: Item Tire size Wheel size Pressure Temporary spare tire Front Rear Size Pressure 2.5i, OUTBACK SPORT P205/55R16 89V 16 61/2 JJ  33 psi (230 kPa, 2.3 kgf/cm2) 30 psi (210 kPa, 2.1 kgf/cm2) This octane rating is the average of the Research Octane and Mo- tor Octane numbers and is commonly referred to as the Anti Knock Index (AKI). Refer to Fuel section in this manual. Fuel capacity: 15.9 US gal (60 liters, 13.2 Imp gal) Engine oil: Use only API classification SM with the words ENERGY CON- SERVING and the ILSAC certification mark (starburst mark) dis- played on the container. Engine oil capacity: 4.2 US qt (4.0 liters, 3.5 Imp qt) WRX 215/45R17 91W 17 7 JJ WRX-STI 225/45R17 90W 17 8 JJ

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2006 Subaru Impreza WRX Owners Manual