aux automatic unlock when eng. turn off

 it's  viper 790 .is there a way that I can do this . please show me how.I had the van set up as :sliding ,rear door are priority  when press unlock .Pass. & driver are unlock when press & hold aux button for 3 sec. All door will locked when press lock button.ALL door will lock when eng.key turn on,but only priority door unlock when eng. key turn off

thanks