Pay attention to ventilation and the health of workers.

Paint and sealant may generate poisonous gases when heated by fire. To prevent this, do not use a gas welder for cutting off damaged portions.
Use an air saw or an air chisel.
Use a belt sander or rotary wire brush for removing paint from the panel.
Inflammables
Handling of Welding EquipmentProcess of Spot Welding
It takes 3 processes, “pressurization”, “energization”, and “retention”, to complete the spot welding.
(1) PRESSURIZATION
The welding points of overlapped panels are pressurized with the tip (electrode) for close contact.
With the panels contacting closely, the current can run intensive ...
Removal and Installation
CAUTION:
Always work with 2 workers, because it is heavy weight.
REMOVAL
Remove headrest.
Slide second seat to front most position.
Remove rear side mounting bolts of second seat assembly.
Slide second seat to rear most position.
Disengage fixing pawls using a remover tool (A) according to numerica ...
On Board Diagnostic (OBD) System of Engine and A/T
The ECM and TCM have an on board diagnostic system. It will illuminate the malfunction indicator lamp (MIL) to warn the driver of a malfunction causing emission deterioration.
CAUTION:
Always turn the ignition switch OFF and disconnect the negative battery cable before any repair or inspection work. ...