inputs.text: twoway rehemote da bomb - remote came viper 4204v twoway remote start system purchased installed best buy july 22 2013 must say range remote absolutely amazing signal works 2000 ft goes walls needs no direct line site work signal even used cell phone case emergency see think reviewers laid functionality bells whistles well wont waste time button doesi say uses two cr2016 lithium cells last 36 months normal use optional leather case available amazon 15 highly recommend not want drop remote without protection case provides thatbtw wondering \\twoway\\ part remotes name simply refers remotes ability receive acknowledgment signal command give words remote notifies using ghost led lights sounds car fact start fact lock unlike oneway remote cannot tell anything like garage door openers anyway remote communication excellenti tip may help always leave oneway remote home someone trust hide extra ignition key somewhere car ever get locked car reason simply call home trustworthy friend cell phone point oneway remote phone simultaneously hold cell phone windshield receiver presto unlock doors deactivate alarm even start car right phone access extra key get home remember treat nice dinner getting jamhope helpsupdate 122113 cr2016 lithium batteries finally died 5 months multiple daily use not bad considering reviews say last monthies finally died 5 months multiple daily use not bad considering reviews say last month