Key Battery; Replacing The Battery - Toyota Avensis Owner's Manual

4-3. Do-it-yourself maintenance

Key battery

Replace the battery with a new one if it is discharged.
 You will need the following items:
 Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with rag.)
 Small Phillips-head screwdriver
 Lithium battery
Vehicles with smart entry & start system: CR1632
Vehicles without smart entry & start system: CR2016
 Replacing the battery (vehicles with smart entry & start sys-
tem)
STEP 1
STEP 2
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AVENSIS_OM_OM20B99E_(EE)
Take out the mechanical key.
Remove the cover.