The piece you describe could be the piece that goes on the backside of the panel you removed to install the keyless entry (in front of driver's knees) It is used to protect knees in an accident.
The keyless entry receiver is under the console - behind the screens it's the temp and compass
I assume by keyless you are talking about keyless entry, if so, you will not lose it if you install aftermarket CD players.
Yes, it is possible to have a keyless lock system installed at home. Keylesslockspro.com and brickhousesecurity.com bot offer keyless lock systems for purchase.
The ignition switch, also called the wireless control module, is the keyless entry computer and receiver.
centre top dashboard (red dome)
Yes, the security systems SHOULD be compatible, if not identical. Every CR-V has the receiver installed at the factory. There is nothing to install into vehicle. Simply program the remotes to your CR-V by turning the ignition on and off and pressing the lock/unlock buttons. Regardless of what your dealer or anyone else tells you the CRV does not need anything installed for the keyless entry to work. The same module that handles the power door locks is the receiver for the keyless entry, if you have power door locks you have the receiver.
as far as im concerned no
install an alarm system and door lock actuators..
The module for keyless entry on a 2000 Ford Taurus is located under the driver side dashboard. It is a small box that controls all the functions of the alarm system.
On the inside of the rear quarter-panel drivers side, access through trunk
While It is possible for an amateur to install a keyless entry remote it is not advised as the installation requires a high level of skill using new electronics tools.
best bet is to buy an after market system. follow instructions. if you have power door locks it will be easy. if you don't, you will need additional pieces for the keyless.