Steps:

1. Locate the clamp: The seatpost clamp is located on the seatpost. It will have a small hole in the center for inserting the key.
   

1. Insert the key: Turn the key clockwise until you hear a clicking noise. This will unlock the clamp.
   

1. Open the clamp: Once the clamp is unlocked, you can open it by pushing on it.
   

1. Close the clamp: After making your adjustments, close the clamp and push on the silver locking pin.
   

Additional tips:

• If you have any difficulty locking or unlocking the clamp, make sure you are using the correct key.
• If the key is stuck, try wiggling it slightly or applying a small amount of lubricant.
• If you are still having problems, please contact ENVO customer support for assistance.