89 Mercedes 420 SEL: How to Wire the Radio

1. Disconnect the negative cable from the car battery terminal, using an adjustable wrench.2. Remove the two Phillips screws that hold the ashtray bracket. Pull out the ashtray, and unplug the lighter and ashtray light. Slide your finger below the radio to locate two steel tabs. Pull these tabs down individually, and use a flat head screwdriver to prevent them from re-engaging. Pull the radio out of the dashboard housing. Disconnect the wire harnesses, and pull out the black radio antenna cable.3. Slide the radio installation sleeve, provided with the new radio, into the vacant dashboard...
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How to Drive a Car With a Tiptronic Transmission

1. Ensure that the gear lever is on “Park.” Tiptronic gearboxes have an automatic shift gate and a second gate off to the side where the lever can be moved up and down to upshift and downshift. Some models also offer the ability to shift with buttons on the steering wheel.2. Depress the brake pedal and turn the key to start the ignition. Press on the accelerator like you would in a normal automatic to move away from a stop. On some versions of the tiptronic gearbox, the transmission shifts for you in the first two gears, after which you can take over shifting manually.3. Move the lever out...
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How to Connect an iPod to a Mercedes Radio

1. Purchase a cassette tape adapter. These devices consist of a cassette tape connected to a headphone plug by a length of audio cable. The tape goes into the tape deck in the stereo, and the plug goes into the headphone jack of the iPod. The audio from the iPod will play through the tape and subsequently through the Merecedes' speakers.2. Broadcast the iPod audio through an FM transmitter. These devices are a bit more expensive than tape adapters, but they are a good alternative if the Mercedes does not have a tape player in it. Find a radio station with plenty of static, tune the FM transmitter...
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How to Repair a Sideview Mirror

1. Push the right side of the driver's sideview mirror into the mirror housing. If you are repairing the passenger mirror, push the left side of the mirror lens into the housing. This pushes the opposite side of the mirror lens out of the housing.2. Grab the exposed end of the mirror lens and pull it straight out to pop the mirror lens off its mounting post or off the mirror motor mounted inside the housing. You will not damage the mounting post or mirror motor by pulling the lens off.3. Place the new lens into the mirror housing at the same angle as you removed it. Push the mirror onto...
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How to Replace the Headlight on an X3

Driver Side1. Open the hood.2. Lift the tab on the lamp cover, using a flat-head screwdriver, then pull off the lamp cover.3. Press down on the bulb holder and pull it straight out.4. Pull the used bulb straight out of the holder.5. Push the new bulb into the holder.6. Replace the bulb holder by pushing it back into place.7. Replace the lamp cover and snap the tab back onto the cover to secure it.Passenger Side8. Open the hood.9. Remove the windshield washing system reservoir. Unscrew the screw on the left side of the reservoir and pull it out. Be careful when lifting the reservoir,...
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How to Transfer Maps to a Garmin

1. Check your computer's hard drive and ensure there is enough free space on your hard drive to download the executable file for the new map or map updates.2. Connect your Garmin GPS to your computer using a USB cable. It is not necessary to use the USB cable that came with the GPS unit. Any USB cable with the appropriate connectors will work correctly.3. Insert the physical disk or purchase the downloadable version of the update or new map at the Garmin website.4. Launch the disk or map program.5. Follow the steps with the map updater program and enter the map program serial number.6....
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How do I Tow a 1989 Mercedes Benz?

1. Park a flatbed tow truck directly behind the 1989 Mercedes Benz. Pulling the car onto the truck backwards will make it easier to steer when it is being removed.2. Lower the tow bed so that it touches the ground just short of the car. Hook the tow chains to the rear of the frame, just behind the axles. Place towels between the tow chains and the body to keep it from getting scratched.3. Pull the tow chains tight. Open the driver's door on the Mercedes and set the transmission to neutral. Point the steering wheel directly ahead and roll down the driver's window. Close the door.4. Slowly...
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How to Remove the Ash Tray in a 1994 Audi Cabriolet

1. Shift the vehicle’s transmission into park or first gear for vehicles equipped with a manual transmission.2. Shut down the engine and remove the key from the ignition switch.3. Depress the button on the parking brake lever and disengage the parking brake so the lever is horizontal.4. Sit in the driver’s seat and grip the ash tray with your right hand, placing four fingers inside the ash tray with your thumb on the outside. Pull the ash tray out as far as it will go. Remove any ash or or debris from the ash tray, using a vacuum. Wipe the ash tray clean with a shop rag.5. Pull the ash...
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How to Change the Battery in the Key of a C280 Mercedes

1. Pull out the mechanical key located inside the Smart Key housing by pushing the small lever next to the keychain ring.2. Examine the slot that contains the mechanical key for a small lever, inside the Smart Key housing. Use the end of the mechanical key to push in the small lever, holding the top portion of the battery holder inside the Smart Key housing.3. Separate the top and bottom portions of the Smart Key housing in order to pull out the battery holder. Slide the two quarter-size batteries out of the battery holder. Make note of the old battery orientation and insert the new batteries...
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How to Change a Password for BMW Assist

1. Call BMW Assist at 1-888-333-6118 (as of November 2010). Wait to speak with a representative.2. Explain to the representative that you would like to change your BMW Assist password.3. Provide your new password to the representative.4. Fax a copy of your car's registration to the fax number that the BMW Assist representative will provide.5. Activate BMW Assist in your BMW and give the representative your new password to verify the password chan...
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