This is what a set of keys for a Lada Kalina looks like: 1 - working key; 2 - training key; 3 - tag.
The working key is equipped with a remote control for door and trunk locks, as well as an immobilizer and security alarm: 1 - lock button; 2 - unlock button; 3 - trunk lid lock release button.
Training key (with red insert) combines the functions of a door and trunk lid lock key, an ignition key and an electronic immobilizer key. Its main function is to train the immobilizer when it is activated and new working keys.
[Article copied from a web page www.ladaman.ru]
The tag contains the key series number, which can be used to order new keys from the manufacturer in case of loss, so as not to change the locks.
Helpful advice. If there are children in the rear seat and you want to use the rear door locking feature, the easiest way to turn the lock switch is with the ignition key.