Complex sentence: Despite being available in all other "J-car" models, power windows were not available in the Australian Camira models until the JE version, however, air conditioning and cruise control were optional as was a trip computer.
Split into simpler sentences: Despite being available in all other "J-car" models, power windows were not available in the Australian Camira models until the JE version. However air conditioning and cruise control were optional, as was a trip computer.