Does Kia Picanto has Security Alarm?

No, Kia Picanto isn't available in Auto Start/Stop.

Yes, Kia Picanto has Seat Features(Rear), which are: 2019 Kia Picanto 1.2 GT-Line AT, 2019 Kia Picanto 1.2 EX AT.

Here are the length(mm) and variants of Kia Picanto:

Here are the Screen and variants of Kia Picanto:

Here are the Auto Start/Stop and variants of Kia Picanto:

Here are the Launched Year and variants of Kia Picanto:

Here are the Autonomous Emergency Braking and variants of Kia Picanto:

Yes, Kia Picanto has AUX, which are: 2019 Kia Picanto 1.2 EX AT.

Here are the Door Lock and variants of Kia Picanto:

Yes, Kia Picanto is available in ISOFIX. The available ISOFIX variants are: 2019 Kia Picanto 1.2 GT-Line AT, 2019 Kia Picanto 1.2 EX AT.