The sony stick can be a real pain on some cars to install but there is a very nice remote from pioneer that fixes to the steering wheel and it can be run with hijack to do what ever you want.

It is the pioneer cds-r80 i think would have to go out in the snow to find out
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P.Allison fixer of big engines Mk2+Mk2a signed by God / Hacked by the Lord Aberdeen Scotland