2011 Toyota Sienna Owners Manual - Page 73
2011 Toyota Sienna Manual
Page 73 highlights
2 -1 . M a int e na nc e Wire le ss re m ot e c ont rol bat t e r y Replace the battery with a new one if it is discharged. n You will need the following items: l Flathead screwdriver l Lithium battery CR2032 n Replacing the battery STEP 1 Remove the cover using a coin protected with tape etc. STEP 2 Remove the depleted battery using a flathead screwdriver. 40 SIENNA AAS_U (OM45460U)