Put yourself in front of your trunk, and check around the handle of the trunk, you should find a small trap door behind which hides the mechanical lock in which you will have the ability to insert and turn your key. Once this is done, you will have the ability to open the trunk of your Ford Mustang with a dead battery and access the interior of Btw, the other day I left my daytime running lights on for ~ 10 mins. Came back out and thought the battery was dead because the trunk wouldn't open nor would the doors unlock via the remote. Opened the door the old fashioned way, inserted key and voila. I figured it was a battery saving measure, but didn't know for sure. Nice feature, actually. To open the door of your Toyota Scion FR S that has no more battery, you will have to turn the key in the lock and at the same time try to pull the door handle . Repeat this operation if it doesn’t work on the first door on the second one, if it still doesn’t work, go to the next step of this article. To open the door of your Buick Lucerne that has no more battery, you will have to turn the key in the lock and simultaneously try to pull the door handle . Repeat this operation if it doesn’t work on the first door on the second one, if it still doesn’t work, go to the next step of this content. The all-electric F-150 ® Lightning ™ is equipped with tons of exciting features, including the Mega Power Frunk – a trunk built into the front of the truck. Easy access. You can open the Mega Power Frunk using: Your key fob; The grille-mounted release button; The FordPass ® App; The SecuriCode ® Keyless entry Keypad I can turn the key in the lock counter-clockwise for around 10-15 deg, but the door wouldn't unlock. Try this again with the little emergency key turned fifteen degrees to the left . Pull on the door handle about 6 or 8 or 10 times (or until the door unlatches). A guy on the streets of Philly suggested this technique. 31 Answers. SOURCE: 09 ford focus trunk leak. I'd say its a missing rubber liner around the trunk opening. When you open the trunk, look for continuity in the seal around it. If there is a break make sure that it's not sealed by a rubber or soft plastic piece on the trunk lid. If there is a genuine problem, take a discrete photo and point the Why your electric key won’t work if your car battery is dead If your car battery is dead, the electric key clicker will not work. However, most electric keys come with a physical key that either flips up like a switchblade or slides out like a sword when you click the release button. As Steve said is key is in the remote. You access the key using the small release on the backside of the remote and then pull the key out to use in the driver's door lock. Good luck. 2014 Flex TBM Ecoboost 303A, Titanium Tails, 3dCarbon spoiler, led fog & puddle & backup lights, Powestop brakes, blacked out grill, 110K+ miles. How do you open the trunk of a Ford Focus with a dead battery? To open the door, pull the lock tab up, and use the outside door handle. As a safety feature, your vehicle has a release lever on the right corner in the trunk so the trunk can be opened from the inside. Sfh7OB8.