1. DISPOSE OF BACK DOOR STAY ASSY LH

(a) Horizontally fix the stay in a vise with the piston-rod pulled out.
(b) Wearing safety glasses, gradually cut a part between A and B (shown in the illustration) using a metal saw to gradually release the gas.
Specification:

CAUTION: Be careful to cover the area that is being cut as there is a possibility that metal debris could be blown out by the gas (the gas is colorless, odorless and harmless).
ReplacementInitialization
The following items must be initialized for normal system operation
after such cases as the battery being reconnected, or maintenance
being performed on the vehicle:
Item
When to initialize
Power back door*
After reconnecting or changing
the battery
...