Books may be renewed online using GLADIS. You can start this process by reviewing your inventory to see the due dates of the materials you currently have checked out.
Type: inv <patron ID number>
Your patron ID number is the number on your UC Berkeley ID or library card.
When prompted, type your four digit Library PIN
Your Library PIN is your birth month and day in MMDD format, unless you have set up a custom PIN.
Type: ren <line number>
The line number is the number of the item you wish to renew.
Make a note of the new due date displayed for the item.
Note: Some items cannot be renewed online. If that is the case, the system will inform you.
You may also renew your materials in person at the Engineering Library Circulation Desk, or by phone at (510) 642-3366.