CAL Cheat Sheet 2026

The 30 highest-yield CAL facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is the role of EEPROM in automotive locksmithing? → Stores and modifies key data
2. Which of the following is a critical prerequisite before cutting and programming a new key for a customer in an 'All Keys Lost' situation? → Verifying the customer's proof of ownership of the vehicle.
3. In a power sliding door system (common on minivans), what additional component manages lock engagement compared to a standard hinged door? → A dedicated door control module and motorized latch assembly
4. Which of the following describes the most appropriate first step in a non-destructive vehicle entry scenario? → Verify ownership and authorization to gain entry
5. When disassembling an automotive door lock cylinder, which small component is responsible for retaining the key in the lock when it is at the rest position? → The key retainer or wards spring
6. Which tool is specifically used to remove a lock cylinder from a vehicle door without damaging the surrounding sheet metal? → A cylinder removal tool or clip removal pick
7. In the context of automotive locksmithing, what is the primary function of software databases such as InstaCode or Genericode? → To provide key cutting codes, bitting information, and key blank cross-references.
8. In most US states, automotive locksmiths are required to hold which type of license to legally operate? → A state-issued locksmith or security services license
9. What should be done before replacing an ignition switch? → Disconnect the battery
10. What is a 'plug follower' used for when servicing an automotive lock cylinder? → To keep springs and tumblers in place while the plug is removed from the shell
11. Which type of key provides the highest level of security against unauthorized duplication? → Laser-cut key
12. What is the function of the child safety lock located on the interior edge of most rear vehicle doors? → It prevents the rear door from being opened from the inside when engaged
13. Why is it important to verify vehicle ownership before unlocking a car? → Prevent unauthorized access
14. What is the primary function of a key code in automotive locksmithing? → Generate an exact key cut pattern
15. Which automotive lock component links the lock cylinder rotation to the actual locking/unlocking mechanism inside the door? → The actuator rod or connecting rod
16. In a central locking system, which module receives the key fob signal and sends commands to all door lock actuators simultaneously? → Body Control Module (BCM)
17. What is a primary consideration when unlocking vehicles with keyless entry systems? → Requires specialized tools or programming
18. When servicing a trunk latch that will not release via the interior handle, what component should be checked first? → The release cable or actuator rod for binding or disconnection
19. Which component of the immobilizer system is typically embedded in the head of the car key and communicates with the vehicle wirelessly? → The transponder chip
20. When performing EEPROM work, which of the following best describes 'in-circuit' reading? → Reading the data from the memory chip while it is still soldered to the circuit board.
21. When marketing automotive locksmith services online in the US, which practice can expose a business to legal penalties? → Advertising false or misleading pricing such as a bait-and-switch low advertised rate
22. An automotive locksmith operating as a sole proprietor should obtain which business structure to best protect personal assets from business-related lawsuits? → Limited Liability Company (LLC)
23. When an automotive locksmith receives a request to make a key for a vehicle, what is the best practice regarding the vehicle identification number (VIN)? → Record the VIN and verify it matches the customer's provided ownership documents
24. When cutting a door lock key by code for a vehicle with no existing key, what information is essential to obtain? → The vehicle's VIN and/or factory key code
25. When an automotive trunk lock cylinder must be replaced and a matching key is unavailable, what is the first step a locksmith should take? → Impression the lock or pick it open to obtain access and determine the existing bitting
26. Which record-keeping practice is most important for an automotive locksmith to protect against a false claim that a key was made without authorization? → Keep signed work orders with customer ID copies and photos of ownership documents
27. What type of automotive lock cylinder is most commonly found on the steering column ignition of older domestic vehicles? → A wafer-tumbler cylinder with five to seven wafers
28. Why should a locksmith be aware of side airbags when unlocking a vehicle? → To avoid accidental airbag deployment
29. Which professional development activity is required to maintain the CAL certification after it is initially earned? → Completing continuing education units (CEUs) and renewing through ALOA on a regular cycle
30. When selecting a key blank for duplication, which of the following is the MOST important initial factor for a standard (non-high-security) key? → The correct keyway profile and blade length.