You Can't Control. Because, I've cheat to control he, But I can't..

Remove the tailgate trim panel.

Disconnect the remote control rod from the remote control.

Disconnect the negative battery terminal.

Unbolt the latch and remove the remote control.

Disconnect the lock knob rod from the remote control and remove the rod.

Disconnect the lock cylinder rod from the lock cylinder.

Unbolt the remote control and remove it from the liftgate.

Remove 2 nuts that hold the outside handle and take it out of the liftgate.

Installation is the reverse of the removal steps.

A control rod is made of a neutron absorbing material. Boron is common. When the control rod is withdrawn (pulled out) of the reactor, the fission reaction rate increases. When that control rod is inserted, the reaction rate decreases. There are other factors that control the reaction rate, but the rods can be considered as the way to start up or shut down the reactor by pulling or inserting them.

No, if a tie rod is broken you would have no steering control.

It is part of the stering linkage and it is one of the main parts that control the whole stering control.