How to Open a Key Fob on an Audi

1. Extend the key from the plastic key fob by pressing the chrome button on the corner of the fob.
2. Examine the key fob. Inside the key indentation in the fob (where the key rests when it is not extended). you should see a thin crack. This crack is where the two halves of the plastic fob cover come together. This crack should extend completely around the circumference of the key fob and should run parallel to the fob buttons.
3. Wedge a small flat-head screwdriver into the crack and use the screwdriver to pry the fob apart.

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How to Install Wider Tires on an Audi

1. Decide what size tire you want to install. You may or may not be able to use your existing wheels, depending on what the width of the new tire is going to be. If you want to install tires that are a lot wider than your existing ones, you may have to use wider wheels as well. An example would be replacing 205/60-16 tires with 255/45-16 tires. The new wider tire would probably not fit comfortably on the wheels. If you are installing tires that are only a little wider, you can use your existing wheels. An example would be replacing 205/60-16 tires with a 225/55-16 tires. Using new wheels will also allow you to go with a larger-diameter wheel and tire package.
2. Determine how wide your wheels are. Audis come with a wide range of wheel sizes, some wide and some not so wide. Look in your owner’s manual or the back of the wheel for the sizes. To look at the back of the wheel, loosen the lug nuts, raise the car and remove the wheel. Give the sizes to a tire professional to determine what tires will fit.
3. Ensure that the outer diameter of your new tire is the same as your old tire. This will be determined by the profile of the new tire, which is the distance from the outer edge of the wheel to the outer part of the tire. If the wheel and tire are shorter or taller, your speedometer will not read correctly.
4. Purchase your new tires and, if applicable, new wheels.
5. Have the tires installed on your existing wheels if you did not get a wheel and tire package. Do not attempt to install the tires yourself because it requires special equipment to perform properly. If you purchased a wheel and tire package, you can install them yourself. Loosen the lug nuts for the wheels, and lift the vehicle with a floor jack. Install the new wheels and tires one corner at a time.

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How to Replace the Outer CV Joint in a Mercedes

1. Loosen the appropriate wheel with a tire wrench by turning the lug nuts a quarter turn counterclockwise.
2. Engage the emergency brake.
3. Jack up the front of the Mercedes using the front jack points and place the jack stands under the pinch welds in the front of the car. Lower the Mercedes onto the jack stands.
4. Finish removing the lug nuts and pull the wheel off.
5. Remove the spindle nut using the the spindle nut socket and an impact wrench.
6. Remove both of the caliper mounting bolts on the brake caliper and secure the caliper to the coil springs above the hub assembly using zip ties.
7. Pull the brake rotor off.
8. Place the floor jack under the lower control arm lift up on the arm to remove the load from the upper mounting nuts.
9. Remove the bolts holding the brake hose mounting bracket in place.
10. Remove the steering knuckle pinch bolt at the base of the shock/strut. Separate the lower control arm from the steering knuckle by tapping on the knuckle with a hammer.
11. Swing the knuckle and hub out of the way and pull the axle out of the transmission.
12. Pull the other end of the axle out of the hub assembly.
13. Insert the new axle and CV joint.
14. Reassemble the wheel hub and brake system. Assembly is the reverse of disassembly.
15. Put the wheel back on, tighten the lug nuts, lower the vehicle to the ground and do a final torque of the lug nuts to 100 foot-pounds.

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How to Reset the Check Oil Light on a 1992 BMW 325i

1. Lift the hood and prop it open. Locate the diagnostic port, which is on the passenger side of the vehicle near the engine. It is a round connector with a black plastic cover.
2. Remove the cover to reveal the connector pins on the port. Note that each pin has a number beside it.
3. Locate pin numbers 7 and 19.
4. Bend a paper clip into a U-shape to allow for one end of the clip to be inserted into the number 7 position and the other into the number 19 position. Bend each end of the paper clip about a 1/4 inch to form a small loop on each end.
5. Turn the ignition key to the number 2 position, but do not start the car.
6. Insert one end of the clip into the connection port at pin number 7 and the other into pin number 19. Hold the bent clip in place for four to five seconds. Remove the paper clip. This will reset the light. Check the instrument panel to verify.

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How to Program an Infiniti G20 Garage Door Opener

1. Turn your vehicle's ignition off and press and hold the two outside buttons on your Infiniti system until the indicator light begins to flash. This will erase any previously programmed codes from the system.
2. Hold your garage door remote 2 inches from the HomeLink system and simultaneously press and hold the button your are programming on the Infiniti system and the open button on the remote.
3. Release both buttons when the indicator light starts blinking quickly.
4. Press and hold the training button on the system until the indicator light glows solid. If the light continues blinking, complete the following steps.
5. Press the 'Smart' button on your garage door motor. This is usually on the back or the side of the motor near the switch codes and light lens.
6. Return to your vehicle and press the training button for two seconds, then press, hold and release it an additional two times. The indicator light should glow after this and the programming will be complete.

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How to Change the Tire on a 97 BMW 528I

1. Pull the car over to a safe area when a tire becomes flat. Park the car on a level surface, turn off its ignition and set the parking brake.
2. Loosen, do not remove, the wheel nuts with the socket wrench.
3. Raise the car off the ground with the jack.
4. Remove the wheel nuts, using the socket wrench, and the wheel with the flat tire.
5. Remove the spare wheel from the pan located under the car by removing the nut holding it in place, turning counterclockwise. Place the flat tire in the pan and replace the nut holding it place, turning clockwise.
6. Place the spare wheel on the car and tighten the wheel nuts as much as possible.
7. Lower the car to the ground with the jack. Tighten the wheel nuts with the socket wrench.

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How to Troubleshoot a Mercedes Diesel

1. Check to see if the engine starts normally. On some older Mercedes diesels, the vehicle would not start or would have a tough time starting in extremely cold climates like those found typically in the northern United States and Canada. To correct this problem, you'll need to take your vehicle to a Mercedes dealership so that they can install a block heater. The block heater will keep the engine block warm, which will in turn make it easier to start on a cold day.
2. Listen for a rough idle when the engine warms up. Some drivers forget that they need to make sure that they are running diesel fuel and not regular gasoline in their diesel engines, and so they may have 1/2 tank of diesel fuel already and decide to fill up the tank, but forget to use diesel fuel (or assume that mixing fuels is OK). The high octane gasoline found at every gas station simply will not cause an efficient combustion in a diesel engine. In some cases, the vehicle will not start or run at all. You'll need to have the fuel tank drained for you by an experienced mechanic so that the tank can be refilled with diesel fuel.
3. Check to make sure that the Mercedes engine revs normally throughout the RPM range of your vehicle. The Mercedes diesel engines depend heavily on compression to make the engine work properly. Low or uneven compression in the Mercedes diesel engine can hinder performance, and prevent the engine from revving up. If this happens, you'll need to have the vehicle serviced by a Mercedes dealership.

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How to Change the Cluster in a Mercedes C280

1. Remove the tweeter cover on the driver's side by prying off the bottom left side, then using a flathead screwdriver to release the clip on the top left side. Turn the tweeter to the right to remove it.
2. Unscrew the two screws that are exposed when you removed the tweeter cover, then release the two latches in the a/c vent to remove it.
3. Reach in through the empty a/c vent and push out the left side of the instrument cluster with your hand.
4. Insert a hook behind the bottom right corner of the instrument cluster, turn it so it catches the back end, then pull gently to pull out the instrument cluster.
5. Disconnect the two wiring harnesses on the back of the instrument cluster by pushing in on the tabs on either side.
6. Connect the two wiring harnesses to the new instrument cluster, then push it back into place.
7. Reassemble the a/c vent and tweeter cover by reversing the above steps.

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How to Change the Battery on a BMW X5

1. Pop the trunk on your BMW X5.
2. Locate the battery. Pull up the floor cover in the trunk that contains the spare tire. The battery is located in a case just above the spare tire on the left side.
3. Unlatch the strap holding the battery into the case. Unscrew the black negative cable first with the correct sized wrench (12mm or 13mm). Unscrew the red, positive cable.
4. Pull out the old battery. Set in the new battery. Screw the red, positive cable on tightly. Screw the black negative cable on tightly.
5. Latch the strap over the battery to securely hold it in the battery case. Set the floor cover back over the spare tire area. Shut the trunk door.

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How to Make a Key for a 1995 Mercedes E320

1. Contact your local Mercedes-Benz dealership. Your 1995 E320 comes with a keyless entry system that requires a special key manufactured by Mercedes-Benz USA to operate the vehicle.
2. Provide Mercedes-Benz with the vehicle identification number, or VIN, and the year of your Mercedes E320. The VIN is located on all of your purchase paperwork, insurance cards and on the door panel of the driver's door. MB needs your VIN because it contains the key code for your specific vehicle, which lets them know exactly how to cut your new key to make it work with your MB.
3. Pick up your new key from Mercedes. Before you pay for and leave with your key you must be able to prove you own the vehicle by providing proof of ownership. Photo identification along with your purchase paperwork, title, registration and/or insurance card are all acceptable.

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