How to Change the Oil on a Mercedes C230


1. Locate oil filter on your Mercedes 230 and place the oil drip pan underneath on the ground. The oil filter will be found under a black cover on the driver's side of the engine, between the valve covers and the firewall. Loosen the filter with an oil filter wrench, about one full turn, to allow oil to flow back into the engine.
2. Raise the front of the car with car jack and place it on jack stands. Remove the engine covers from the bottom of the engine by using an 8 mm socket wrench. Position the oil drip pan under the oil drain plug at the rear of the engine's oil pan.
3. Loosen the oil pan plug with a 1/2-inch open end wrench and allow the oil to drain into the drain pan. When the oil is completely drained, remove the oil filter from the engine.
4. Coat the new oil filter rubber o-ring with a thin layer of oil and screw the filter back onto the engine. Tighten until the filter is snug, but do not over-tighten. Replace the oil drain plug on the drain pan and tighten it with a 1/2-inch open end wrench.
5. Remove the oil cap from the valve cover and pour 5.25 quarts of oil into the engine. Replace the oil cap and turn the key in the ignition to the 'on' position for about 10 seconds without starting the engine. This will prime the engine with the new oil. Turn engine on and run it for a couple minutes. Then turn it off.
6. Replace the engine covers on the bottom of the engine and remove the jack stands. Dispose of used oil at your local recycling center or automotive store.
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How to Extend My BMW Lease Agreement


1. Call your BMW lease-end relationship consultant at (800) 959-4BMW (4269) to arrange and negotiate a short-term re-lease. You may re-lease for a minimum of one year and a maximum of three years.
2. Talk to your lease-end relationship consultant about the payment and terms of your re-lease. BMW Financial Services will determine a new lease payment within about 30 days out from your current lease maturity date.
3. Sign the new re-lease agreement to keep a lease on the BMW you are driving if you are satisfied with the terms.
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Audi TT Fuel Flap Removal


1. Turn the Audi TT off and go to the rear passenger side where the fuel tank flap is located. Push in on the outer edge of the flap to unlatch it and pop it open.
2. Locate the three Phillips head screws that lie along the inside rim of the fuel flap collar equidistance from each other. Unscrew each screw and keep the screws somewhere safe for possible reuse. Slide a flat-head screwdriver into the seam between the inside rim and car body. The collar is also cemented onto the body panel, but it can be separated with a light rocking back and forth.
3. Pull the collar with the fuel flap off the body panel slowly as it is still attached to the door sensor. The door sensor tells the Audi TT when the fuel flap is open and when it is closed. Unplug the door sensor from the fuel flap collar and drape it down on the side. If you are going to paint the Audi TT with the fuel flap off, tape over the hole to prevent paint from sealing the gas cap shut.
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How to Remove an Audi Fuel Pump


1. Remove the fuel filler cap, start the car and leave it running until the fuel tank is completely empty. The engine will cut off once the fuel has run out. Turn off the ignition
2. Use the pliers to disconnect the negative battery cable. Before disconnecting the battery, ensure you have the correct security code for the car radio, as all systems will be reset once the battery is disconnected.
3. Open the trunk and remove the trunk flooring cover. Locate the fuel tank behind the rear passenger seat. Remove the cover.
4. Lift the cover. Using the 1/4-inch ratchet and socket wrench remove the nut. With the nut removed, you will gain access to the fuel pump.
5. Disconnect the harness connector, fuel supply, return hose from the flange and remove the electrical connectors. Use an old rag to catch any excess fuel from the fuel lines.
6. Turn the fuel pump counter-clockwise until it unlocks and can be removed.
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How to Get the Serial Number From a BMW Business Radio


For BMWs Manufactured in 2000 and After
1. Insert your key into the ignition but make sure it is in the "Off" position.
2. Locate the “M” button. In some BMWs the ”M” button will be between two arrows, one facing left and the other facing right. The "M" button is on the front of the BMW business radio with the other radio control buttons.
3. Press and hold the "M" button while turning the key. Only turn the key to turn on the radio, but do not start the car.
4. Look for the serial number on your radio display. The serial number should flash across the screen. It will not disappear unless you press other buttons on the radio to access the menu.
For 1999 and Older BMWs
5. Remove the radio unit from the chassis to view your serial number for model year vehicles 1999 and older.
6. Locate a resource or professional to properly remove the radio unit from your vehicle. The procedure for removing the radio may be slightly different, therefore, find specific instructions for your year and model. Research various sites online that will give you step-by-step instructions for removing your audio system properly to retrieve your serial number.
7. Look on the back of the chassis of your radio to locate your serial number. Your serial number will start with either "F, Pha, P, BP or AL."
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The Transmission Won#039;t Shift in My 2002 Mercedes


1. Put your foot on the brake and attempt to move the gear shift out of park. The park-brake interlock system will not allow you to move your car's shift stick into position unless your foot is on the brake. By applying the brake you will be able to shift freely.
2. Remove the console covering the shifter. The console can be easily removed to check for other problems if applying the brake does not work. The Mercedes-Benz has cupholders near the base of the transmission shift stick. If spilled liquid enters the shifting console it can stop it from functioning.
3. Use a clean cloth soaked in an alcohol solution to clean the inside of the stick shift. Make sure you remove any residue that might be causing the issue.
4. Locate the safety override button near the base of the shifter mechanism if these solutions fail to fix the problem. Pushing this button will override the park brake interlock system and allow you to drive your car to be serviced. If you need to resort to this step it is likely that the solenoid or cable mechanism is broken and needs repair.
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How to Remove the TDI Injector


1. Pop the hood. Open the gas door and remove the gas cap. Locate the injector pump, which is on the driver's side of the engine. Disconnect the fuel lines running to the injector pump and the injectors with a line wrench.
2. Unbolt the injector from the cylinder head using the 3/8-inch ratchet and the 27-millimeter deep-well socket. Take the injector out of the engine.
3. Unbolt the injector heat shield from the head with the 3/8-inch ratchet and socket.
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How to Reset an Airbag Light


1. Put the key into the ignition and turn the switch to the 'on' position.
2. Watch for the airbag light to turn on. It will stay illuminated for seven seconds and then shut itself off. After it shuts off, immediately turn the switch off and wait three seconds.
3. Repeat Steps 1 and 2 two more times.
4. Start the engine. The SRS light should come on for seven seconds, and then shut off and stay off. The airbag light has been reset.
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How to Change the Turn Signal for the BMW X5


1. Turn the headlight dial on the dash to '0.' This ensures that the power to the headlight assembly is turned off. Shut down the X5's engine; pull the hood release lever and open the hood.
2. Look at the back panel of the headlight assembly to find the turn signal. The turn signal is the outermost bub in the assembly. It's right on the edge of the interior fender liner on either side of the X5. You'll see a plastic cap.
3. Rotate the plastic cap to the left to remove it. Now you'll see the turn signal bulb.
4. Turn the bulb holder to the left to disconnect it. The bulb is now free from the assembly. Pull the connection to unplug the wiring from the bulb holder.
5. Attach the replacement bulb's holder to the wiring. It simply plugs in. Place the new bulb into the assembly and turn it to the right. Attach the plastic cap and rotate it to the right to recover the bulb holder.
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How to Install a Radio for an Audi A4


1. Remove the existing radio. In most cases, an Audi radio removal will require the use of European radio removal tools. These can be purchased from many auto parts stores, and may be ordered from the dealership as well.
2. Inspect the factory wiring harness. Make sure that the factory harness will plug into the aftermarket radio harness with ease. Also, check the antenna adapter to ensure a proper fit.
3. Connect the aftermarket radio harness to the vehicles radio replacement harness. Solder all connections and insulate them with heat shrink tubing or electrical tape.
4. Mount the dash kit to the vehicle using the hardware provided. In some Audi models, the dash kit will secure itself using plastic clips, and no additional hardware is required. In other models, screws are necessary. Any necessary hardware will be included in the kit.
5. Plug the aftermarket harness and antenna adapter into the vehicle. Connect the remaining end into the radio. Place the radio into the dash kit and slide the unit into place. Test the new radio thoroughly for function to ensure a proper installation.
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