Keyless Entry System Installation (Detailed Version)

This video shows how the keyless entry system is installed.
FEATURES:
remotely lock and unlock the car
direction light flashing
programmable
PREREQUISITE:
the car must already have a central-locking system
ADVANTAGE:
you don't have to use your car keys to lock and unlock the car
the flashing alert makes it easy to find your car's parking location
REMINDER:
duplicate your car key
always combine your original key with the keyless remote control
do not leave the original and duplicate keys inside the car
when using the duplicate key, don't forget to turn off the engine when you're done driving