Will Lexus GS F have upcoming cars launching in 2021?

No, Lexus GS F doesn't have Airbag Disable Function.

The Chassis of the Lexus GS F are as follow:

Yes, Lexus GS F has Seatbelt Reminder, which are: 2018 Lexus GS F GS F.

Yes, Lexus GS F has Rear Airbags, which are: 2018 Lexus GS F GS F.

Here are the Immobilizer and variants of Lexus GS F:

Here are the Rpm at Max torque and variants of Lexus GS F:

Here are the ASEAN NCAP Rating and variants of Lexus GS F:

Here are the Instrument Cluster and variants of Lexus GS F:

Here are the Torque(Nm) and variants of Lexus GS F:

The Drivetrain of the Lexus GS F are as follow: