There are several common methods for opening a locked car door without a key, but it’s essential to proceed with caution to avoid damaging the vehicle. One method is using a Slim Jim or similar tool to manipulate the locking mechanism through the weather stripping on the window. Another approach involves creating a small gap between the door and the frame using a wedge, then using a long, thin object like a coat hanger to reach in and press the unlock button or pull the door handle. Additionally, newer cars with electronic locks may be vulnerable to a “fishing” method where a piece of string with a slipknot is inserted through the top corner of the door to catch the lock switch or pull the door handle. However, these techniques require skill and patience, and if done incorrectly, they can damage the door or locking mechanism. As a last resort, calling a professional locksmith is often the safest and most effective option to gain access to a locked car without a key, ensuring minimal risk of damage and a swift resolution to the issue.