A Neiman ignition lock is a specific type of cylinder lock used in vehicles to activate the engine ignition. These locks are built into the steering column and are an essential component of a vehicle's starting system. The Neiman ignition lock typically consists of various pins and key systems that work together to prevent unauthorized access. When the correct key is inserted and turned, electrical contacts close, sending the start signal to the engine. Neiman is a well-known brand synonymous with reliability and safety in manufacturing ignition locks for cars.