Does Proton Ertiga has Collision Warning?

Yes, Proton Ertiga is available in Seat Features(Front-Driver). The available Seat Features(Front-Driver) variants are: 2018 Proton Ertiga 1.4 Executive Plus AT, 2018 Proton Ertiga 1.4 Executive AT, 2018 Proton Ertiga 1.4 Executive MT.

Here are the Segment and variants of Proton Ertiga:

Yes, Proton Ertiga has Driver/Front Passenger Seat Airbags, which are: 2018 Proton Ertiga 1.4 Executive Plus AT, 2018 Proton Ertiga 1.4 Executive AT, 2018 Proton Ertiga 1.4 Executive MT.

Here are the Conventional Shift Mode and variants of Proton Ertiga:

Here are the Autonomous Emergency Braking and variants of Proton Ertiga:

Here are the length(mm) and variants of Proton Ertiga:

Here are the Torque(Nm) and variants of Proton Ertiga:

Here are the Warranty Manufacturer and variants of Proton Ertiga:

No, Proton Ertiga isn't available in Knee Airbags.

No, Proton Ertiga doesn't have Hill Start Assist.