Troubleshooting
How to Get Rid of Engine Noise in Car Stereo Systems
How to get rid of engine noise in car stereo systems: tell alternator whine from ignition noise, find where it enters, and fix the ground or filter it.
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Troubleshooting
Diagnose in order and you will usually stop at step two. These guides put the checks in the sequence that finds the fault fastest, rather than the sequence that replaces the most parts.
Troubleshooting
How to Get Water Out of Car Speakers: Drain, Dry and Test
Drain the door, dry the speaker with room-temperature airflow for a day or two, test it, and fix the leak so it stays dry.
Troubleshooting
How to Reset a Car Radio: Reset Button, Factory Reset and Radio Codes
Soft, factory and power resets for car radios, and how to find and enter the anti-theft code afterward.
Troubleshooting
How to Remove a CD From a Car Stereo: 7 Safe Methods
Safe ways to free a stuck CD, from forced eject and resets to careful manual methods, plus what not to do.
Troubleshooting
How to Fix Rattling Car Speakers: 7 Steps to Stop the Buzz
Most speaker rattles come from the door around the speaker. Find what is moving, then tighten, seal, deaden or replace the right part.
Troubleshooting
How to Test a Car Subwoofer: Push Test, Multimeter and Battery Checks
How to test a car subwoofer: inspect the cone, do the push test, measure each voice coil with a multimeter, and rule out the amplifier and wiring.