Dell XPS 12 (9Q23, Late 2012) - Manual (Page 27)

Replacing the Coin-Cell Battery
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 9. For additional safety best
practices information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
WARNING: The battery may explode if installed incorrectly. Replace the battery
only with the same or equivalent type. Discard used batteries according to the
manufacturer’s instructions.
Procedure
1 Adhere the coin-cell battery to the keyboard.
2 Route the coin-cell-battery cable through the routing guides.
3 Connect the coin-cell-battery cable and I/O-board cable to the system board.
Postrequisites
1 Replace the battery. See "Replacing the Battery" on page 14.
2 Replace the base cover. See "Replacing the Base Cover" on page 12.
3 Follow the instructions in "After Working Inside Your Computer" on page 9.
Replacing the Coin-Cell Battery | 27