how to use combination lock

Line up all 3 wheels so the notches are facing up (toward you) as you look down at the wheels. Turn the lock over so you can see the number on each wheel. From there, add 1 digit to each number, and repeat this 8 times until you have a list of 10 3-digit codes.

How many combinations does a 4 digit lock have?

There are 10,000 possible combinations that the digits 0-9 can be arranged into to form a four-digit code.

How do you figure out the combination of a 4 number Lock?

How to Open a 4 Number Combination Lock
Look for your combination number. Set the first digit of the combination. Set the second digit of the combination. Set the third digit of the combination. Set the fourth digit of the combination. Pull the shackle to unlock.

How do you open a number lock without the code?

To open combination locks without a code, start by pulling up on the dial and turning it clockwise until you hear the lock click. Then, check what number you’re at, add 5 to that number, and write it down. Next, set the dial to that number and turn it counterclockwise until you hear it click again.