[header] How to open a trunk [title] Press the trunk unlock button on the key fob if it's working properly. [step] Most cars that have been made post-2000 come with key fobs that allow you to electronically open a vehicle's locks. In most cases, there's a special button on the fob specifically for the trunk. 
Push that and the trunk will pop open. [title] Use the car key in the trunk lock if you don't have power locks.