Is Kia Optima available in AUX?

Here are the Immobilizer and variants of Kia Optima:

Yes, Kia Optima has Hill Start Assist, which are: 2019 Kia Optima GT 2.0, 2019 Kia Optima EX 2.0.

No, Kia Optima isn't available in Knee Airbags.

Here are the Top Speed (km/h) and variants of Kia Optima:

Here are the Auto Headlamps and variants of Kia Optima:

Here are the Chassis Type and variants of Kia Optima:

Here are the Rear Tyres and variants of Kia Optima:

Yes, Kia Optima is available in Driver/Front Passenger Seat Airbags. The available Driver/Front Passenger Seat Airbags variants are: 2019 Kia Optima GT 2.0, 2019 Kia Optima EX 2.0.

Here are the Front Air-con and variants of Kia Optima:

Here are the Torque(Nm) and variants of Kia Optima: