'17 L Replacing Head Unit w/ Programmable Convenience Features - Toyota Sienna Forum - siennachat.com
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post #1 of 1 (permalink) Old 12-11-2016, 04:09 PM Thread Starter
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Location: Long Beach, California
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'17 L Replacing Head Unit w/ Programmable Convenience Features

I didn't see an audio section, so...

The nice-sounding but none too powerful four speaker stereo in my '17 L has programming for convenience features built into the head unit. How would one upgrade it in this situation without losing the ability to program those features?

Current: 2017 Sienna L
Past: 1992 Previa, 1989 Camry, 1980 Corolla
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