Enter the correct combination on the dials
Align the numbers with the indicator line
Pull the release lever or open the shackle, depending on the model
If the code is unknown, check the original packaging, manual, or records
Contact Master Lock support with the model and proof of ownership
Use the reset instructions only if you know the current combination and have permission to reset it
If it is a key box, use the correct key to open it
If the lock box is damaged or malfunctioning, contact a locksmith or the manufacturer