Does Proton Preve has Power Socket?

No, Proton Preve doesn't have Seat Features(Passenger).

Here are the Fuel Economy and variants of Proton Preve:

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

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

Here are the Front Suspension and variants of Proton Preve:

Here are the Retail Price and variants of Proton Preve:

No, Proton Preve doesn't have Speakers.

Here are the Body Type and variants of Proton Preve:

Yes, Proton Preve is available in Child Safety Lock. The available Child Safety Lock variants are: 2017 Proton Preve Executive MT, 2017 Proton Preve Executive CVT, 2017 Proton Preve Premium CFE CVT.

Yes, Proton Preve has Multi-function Steering Wheel, which are: 2017 Proton Preve Executive MT, 2017 Proton Preve Executive CVT, 2017 Proton Preve Premium CFE CVT.