In order to replace the ignition switch, first, remove the cable from the car's negative terminal and some parts of the steering column. Insert key turn the ignition switch to the run position remove the electrical connector from the back of the ign M ulti-function switch and note the lock cylinder retainer access hole. They are the two switch mounting screws that have to be removed so as to take out the ignition switch that had to be installed in the reverse order and reconnect the battery. Unfortunately, for the Ignition Lock Cylinder, one has to disconnect the cable from the negative terminal of the battery, and remove the steering column covers. Turn the ignition key inside the lock cylinder to run position, then bust the retainer with aid of an awl or punch, and then pull the cylinder out. Make sure that the actuator blade within Ignition Lock Cylinder bore is in RUN, as otherwise it will not fit. Once installed connect the battery and ensure that the ignition switch functions correctly in every other position. One thing to know when getting a new ignition key or an additional one is that the process is different for vehicles manufactured for the Canadian market. When trying to replace a lost master key, one should just insert the key into the ignition switch Ignition Lock Cylinder and start the car, after which the SECURITY message should take ten minutes to turn off. Set the Ignition Lock Cylinder to OFF position and wait for 5s, do this 3 more times and start the engine to check for real efficiency. To insert an additional key, it is necessary to use an already existing key and insert it into the Ignition Lock Cylinder and turn it to 'ON' then switch it off and extract it. In ten seconds place in the new key and turn the Ignition Lock Cylinder to the ON position so the vehicle recognizes the new key for normal functionality.