Vehicle Lock Out - Why You Should Always Have a Spare Key Locking out your vehicle is a stressful experience that can happen to anyone. To avoid this, have a spare key and keep it in a safe location. This article focuses on the most frequent reasons for car lockouts and provides simple DIY solutions, including using an old coat hanger to Open car door without Key the doors of your car. 1. You Forgot Your Keys You're about run errands and you forgot your keys in the ignition or on the seat. Before you know it, your door locks automatically, and you're trapped outside. This is among the most frequent causes for lockouts in vehicles and is a great reason to always keep a spare key unlock service secure. Don't be worried. It might appear like you've failed, however it's not. The majority of roadside assistance and auto wreckers offer locksmith services and are trained to open nearly any car quickly.