Auto Lock Inspection Loop Car Accessories for Locksmith or Key Programmer – Used to Check Lock Loop Features: 1. Check the lock ring: This tool can be used to test the lock ring functionality. 2. Antenna tester: Designed for car lock detection circuits and car key lock chip antenna testing. 3. Small tip: If the indicator light turns on but the car cannot start, it may indicate a problem with the chip. 4. Useful detection tool: A helpful device for automatic lock system diagnostics. 5. How to use: Connect to the automatic lock loop. If the light turns on, the lock ring is functioning properly. If the light does not turn on, there may be an issue with the lock ring. If the light turns on but the car still won’t start, the issue may be with the chip. Specifications: Product Name: Auto Lock Inspection Loop Color: Green Material: PP Length: 10 cm Type: Test card Package Includes: 1 x Auto Lock Inspection Loop