The cylinder area of the ignition lock is a part where the ignition key is inserted so that the vehicle can start. In times where an ignition lock cylinder requires to be changed, the vehicle will also require new keys and new locks for the trunk and doors. Maximum ignition lock cylinders work in four ways, the primary to unlock the wheel, the next is to switch on the vehicle’s power accessories, the third step is to switch on the fuel system’s power, and lastly to crank the engine. When the ignition lock cylinder has issues it can create obstacles with powering on and commencing the vehicle. Normally, a broken ignition lock cylinder will create a few symptoms that can inform the driver of a possible problem.