Checking lighting & peripheral systems
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A vehicle may have warning lights that will activate only if that circuit is in use. You may need to turn that circuit on to see the warning light.
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Checking & changing an exterior light bulb
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Make sure that the fuses are in good condition before attempting to change a bulb in a circuit that has more than one bulb, such as the turn signal circuit.
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Checking & changing a headlight bulb
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Always make sure that you replace a bulb with one of exactly the same type. Otherwise, change both lights at once, so they always show the same intensity in lumens.
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| Aiming headlights |
Some manufacturers may suggest that the headlights be aimed on high beam, others on low or dipped beam, depending on the number of lights and type of application. |
