Item description:

just hijack the car from the picture i made bring it to the catch a ride station near it and you'll get

Mechani-Cool
Unlock 10 Vehicle Parts via hijacking.

If you want this trophy

On Fleek
Equip purple-rarity gear or better in every slot.

then you need a friend or a splitscreen charakter, give them the purple/orange gear for each slot (can be a mix from both),
load back your own charakter and your friend should return the gear, equip it and you'll get the On Fleek trophy