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<blockquote data-quote="KaeZoo" data-source="post: 1451365" data-attributes="member: 554753">It has nothing to do with the airbags.&nbsp; It generates all warning chimes; low oil pressure, lights left on, etc.&nbsp; In some vehicles it acts as in interface for vehicle systems; you might use it to reset the oil change timer, for example.&nbsp; Check your owner&#039;s manual.&nbsp; Given a decent LOC and a competent installation, your factory radio should sound fine with the aftermarket equipment.Some Impalas, even without the Bose option, are equipped with a factory amplifier under the rear deck in the trunk.&nbsp; If you have one, it might simplify your amp wiring to the speakers.&nbsp; Also, you won&#039;t find a usable remote turn-on wire from the head unit; you&#039;ll need to tap an accessory circuit, as detailed by snova031, for the amp remote turn-on wire.&nbsp; This means that if you use aftermarket amps for all your internal speakers, you&#039;ll lose the retained accessory power option that keeps your radio on until you open the door.&nbsp; The radio will stay on but the sound will drop out when you turn the key off.</blockquote>

[QUOTE="KaeZoo, post: 1451365, member: 554753"] It has nothing to do with the airbags. It generates all warning chimes; low oil pressure, lights left on, etc. In some vehicles it acts as in interface for vehicle systems; you might use it to reset the oil change timer, for example. Check your owner's manual. Given a decent LOC and a competent installation, your factory radio should sound fine with the aftermarket equipment. Some Impalas, even without the Bose option, are equipped with a factory amplifier under the rear deck in the trunk. If you have one, it might simplify your amp wiring to the speakers. Also, you won't find a usable remote turn-on wire from the head unit; you'll need to tap an accessory circuit, as detailed by snova031, for the amp remote turn-on wire. This means that if you use aftermarket amps for all your internal speakers, you'll lose the retained accessory power option that keeps your radio on until you open the door. The radio will stay on but the sound will drop out when you turn the key off. [/QUOTE]

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