Cadillac Escalade EXT key fob battery
3 of the 12 model years listed for the Cadillac Escalade EXT have a proven battery. The most common answer is CR2032. Rows below run oldest to newest; a year can appear twice when the car came with more than one kind of key.
- 2002-2003Unknown
Not confirmed yet
- 2004Remote (separate)
CR2032
Owner's manual: carmanualsonline.info (checked Nov 1, 2026)
Manual text: “replace the battery with a three-volt CR2032 or equivalent battery”
Find CR2032 on Amazon - 2005-2008Unknown
Not confirmed yet
- 2009Remote (manual says RKE transmitter)
CR2032
Owner's manual: manualslib.com (checked Nov 1, 2026)
Manual text: “Replace with a CR2032 or equivalent battery.”
Find CR2032 on Amazon - 2010-2012Unknown
Not confirmed yet
- 2013Remote (manual says RKE transmitter)
CR2032
Owner's manual: carmanualsonline.info (checked Nov 1, 2026)
Manual text: “Replace with a CR2032 or equivalent battery.”
Find CR2032 on Amazon
Changing the battery
Separate remote fob
- This remote is its own fob, separate from the metal key, which makes it one of the easier ones to open.
- Turn it over: some older fobs use one small screw, newer ones just clip. Pry at the seam once any screw is out.
- Swap the cell or cells, keeping the same side up as the old ones.
- Snap the case shut and watch for the lights to flash when you press lock at the car.
A CR2032 is 20 mm across and 3.2 mm thick. CR2032, CR2025 and CR2016 share the same width but not the same thickness, so a swap between them can leave a loose contact or a case that will not close.
If a child might have swallowed a coin cell, treat it as an emergency and get to a hospital right away.