2009 Toyota Matrix Owners Manual - Page 289

4 -3 . Do-it -yourse lf m a int e na nc e Key battery (vehicles w ith w ireless remote control) Replace the battery with a new one if it is discharged. n You will need the following items: l Flathead screwdriver (To prevent damage to the key, cover the tip of the screwdriver with a rag.) l Lithium battery CR2025 n Replacing the battery STEP 1 Remove the cover. STEP 2 Remove the module. 320