I am confused....I have searched just get two different answers. Some people say on a 99 Civic if you have keyless entry, if you install a aftermarket radio you have to store the factory one in the dash! Some people say 99 is the year where they changed things. Can anyone let me know one way or the other?

 

my 99 civic ex... factory keyless system still works..... tho i dont use it....LOL
nothing needed..

 

Wiremagic shows it still being behind the radio.....

 

nope... i can asure ya that thiers no other radio behind mine.LOL ive replaced the radio twice....thats for the older civics... 99-00 im sure ya dont have to keep it in the car!