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All devices that come with a remote, need that remote to do advanced settings. A remote is available on Amazon or AliExpress
https://www.google.com/search?q=CLARION+VX401E+replacement+remote
HCDZ Replacement Remote Control for Clarion VX401E ...
Amazon.ca
https://www.amazon.ca > HCDZ-Replacement-Multime...
Easy to Use, Just put in fresh batteries , then it will work . See more ...
Rating: 1 · 2 reviews · $22.89 · In stock
Clarion VX401E specifications
Manua.ls
https://www.manua.ls > car radios > Clarion > VX401E
General. Brand, Clarion. Model, VX401E ' VX401E ; Multimedia. MP3 playback, Yes. CD-R playback, Yes ; Radio. Preset stations quantity, 24. Radio Data System (RDS) ...
Rating: 77% · 2 votes
Clarion Launches VX401E and VZ401E Multimedia Units
autoevolution
https://www.autoevolution.com > News > Gadgets
Jan 18, 2011 - Car audio systems manufacturer Clarion has just introduced its latest in-car multimedia stations in the UK, dubbed VX401E (2 DIN) and VZ401E ...
Pros and cons: High-quality 24-bit D/A (Digital to Analogue) converter ?
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