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Car Key Replacements Replacing a car key can be a hassle and costly based on the car model. It's a smart idea to keep spare keys handy in case you lose yours. The car key has changed in line with the advancement of cars. Modern keys need to be programmed to connect with the car's immobiliser, normally a job for dealerships or locksmiths. Lost or Stolen keys It's not unusual to lose your car keys. If you are unable to locate your keys in an obvious place, or if they are hidden, you'll have to get a new set. The process