Car encyclopedia

Ignition Lock Cylinder

The ignition lock is one of the main security features on a vehicle and is where you insert the key to start the vehicle. It is connected to the ignition lock electrical assembly/ignition switch.

Symptoms of Wear or Failure

  • Key may not turn, turn intermittently, or be difficult to insert and remove from the switch

Related Repair Advice

  • The key should be inspected for wear and replaced as necessary before replacing the ignition lock cylinder
  • If the ignition key will not turn, the fault is commonly with the ignition lock cylinder. In most cases, the lock cylinder can be replaced separately from the ignition switch.
  • Problems with the transmission shifter can result in the key being difficult to remove from the ignition
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