n terms of safety, only the top spec Proton Persona 2019 gets the full suite of 6 airbags; lesser variants only get 2 airbags up front. Despite that, all variants of the Proton Persona get electronic stability control, traction control, ABS with EBD, Brake Assist, and Hill Hold Assist (HHA).
Yes, Proton Persona is available in Engine Start. The available Engine Start variants are: 2019 Proton Persona 1.6 Executive CVT, 2019 Proton Persona 1.6 Standard CVT, 2019 Proton Persona 1.6 Premium CVT, 2019 Proton Persona 1.6 Standard MT.
Yes, Proton Persona has Security Alarm, which are: 2019 Proton Persona 1.6 Executive CVT, 2019 Proton Persona 1.6 Standard CVT, 2019 Proton Persona 1.6 Premium CVT, 2019 Proton Persona 1.6 Standard MT.