CML CML Automotive Locksmithing

Question 1

What is the most reliable method for originating a key for a vehicle when no original key exists?

Accepted Answer

VIN decoding for code cutting

Answer

Ignition disassembly

Answer

Impressioning the door lock

Answer

Using a jiggler key set

Question 2

What is a transponder in an automotive key system?

Accepted Answer

A microchip in the key head that communicates with the vehicle's immobilizer

Answer

A key with an integrated remote fob

Answer

A high-security laser-cut key blank

Answer

A mechanical anti-theft key profile

Question 3

What is the GM VATS (Vehicle Anti-Theft System) key feature?

Accepted Answer

A resistor pellet embedded in the key blade that must match a specific resistance value

Answer

A laser-cut blade profile unique to GM

Answer

A transponder chip in the key head

Answer

A double-sided key for extra security

Question 4

What is the most important thing to verify before cutting a key for a vehicle?

Accepted Answer

Proof of ownership such as title, registration, or ID matching registration

Answer

The vehicle's mileage and service history

Answer

The vehicle's color and VIN match

Answer

The vehicle's insurance status

Question 5

Which tool is used to determine a vehicle lock's bitting without removing the cylinder?

Accepted Answer

A decoder or tryout key set

Answer

A plug follower

Answer

An impressioning file

Answer

A pick gun

Question 6

What does 'all keys lost' mean for a modern transponder-equipped vehicle?

Accepted Answer

All programmed transponder codes must be erased and new keys programmed from scratch

Answer

The vehicle can never be started again without dealer intervention

Answer

Only the door locks need rekeying

Answer

The ECU must be physically replaced