To check fluid levels, remove the maintenance
panel:
Open the hood.
Pull the maintenance panel upward to
release the clips that hold it in place.
If checking the Battery coolant, remove
the cabin intake trim panel by pulling it
upwards to release the clips that hold it i
Perform a penthouse coolant leak test. See
Penthouse Coolant Leak Test.
Remove the plugs from the hoses.
Connect the rear powertrain supply hose to the RH side of the HV battery,
and the rear drive unit inverter inlet hose to the LH side of the HV battery.
Move the coolant drain to under the