Toyota Prius ZVW35 Series Dismantling Manual page 21

3. Remove the 3 service plug grips.
Caution:
Wear insulated gloves for the following 3 steps.
(1) Slide the handle of the service plug grip to the left.
(2) Raise the release handle of the service plug grip
(3) Remove the service plug grip.
(4) Apply insulating tape to the socket of the service plug grip to insulate it.
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