Roof Box

How To Open A Roof Box Without Keys? 5 Easy Unlocking Methods

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Have you ever found yourself in a situation where you need to access your roof cargo box but can’t find the keys? It can be a frustrating and stressful experience, but there are ways to open a roof box without keys.

In this article, we will be exploring the different methods that will enable you to access your roof box without its keys.

In short, to open a locked roof box without its keys, we think that the best possible option would be to contact the manufacturer of your roof box, as they can provide the optimum assistance, nevertheless, we mentioned some other worth checking methods as well, so make sure to check them all out!

How Can You Open A Roof Cargo Box Without Keys?

There are many different ways to open a roof box without its original keys, to save you the trouble of souring around the web, we collected what we think are the optimal ways to open a roof box without keys down below:

Using A Spare Key

When attempting to access a roof box without a key, the primary course of action should be to search for a spare key, which is essentially a replicated key intended to serve as a backup alternative in the event that the primary key is absent, misplaced, or Stolen.

Using A Slim Jim

Another way to crack open a rooftop box without its keys is with a slim jim. Which is a lengthy, skinny metal strip that can bust open various locks, even those on roof boxes.

The slim jim method involves sliding it down the side of the rooftop container, fitting it snugly between the lid and base, and then maneuvering the lock from inside. So, jam the slim jim into the crevice between the lid and base, joggle it around, and wait for it to locate the lock mechanism.

Once that happens, simply apply the slim jim to either push or pull the mechanism (depending on the lock type), and voila!

Nonetheless, you have to be cautious when using a slim jim. Firstly, make sure you’re using the correct size slim jim for the specific roof cargo box you’re trying to open. If it’s too small, it won’t be able to reach the locking mechanism, and if it’s too big, it could damage the mechanism.

Additionally, handle the slim jim with care to avoid causing any harm to the roof box, which could result in costly repairs.

By Picking The Lock

Opening a roof box without keys can be achieved through lock picking. This technique involves manipulating the lock’s internal pins to unlock it without the key. While it’s more technical than the other approaches, lock picking can be effective if done correctly.

To successfully pick a roof box lock, you’ll require specific tools such as a tension wrench and a lock pick. The former applies rotational pressure on the lock cylinder, while the latter manipulates the pins. There are different types of lock picks designed for various lock types, such as hooks, rakes, and diamonds.

Follow these steps to pick a roof box lock: Insert the tension wrench into the lock cylinder’s bottom and apply slight pressure in the direction the lock would turn with a key. Then, insert the lock pick into the top of the cylinder and start lifting each pin, one at a time, until it sets. Maintain the tension on the wrench and move to the next pin, repeating the process. Continue until all pins have been lifted and set.

Finally, turn the tension wrench in the direction the lock would turn with a key, and if successful, the lock should turn and unlock. It’s crucial to note that lock picking requires technical skill and the right tools to achieve. Nevertheless, it remains an effective method of opening a roof box without keys.

Call A Professional Locksmith

In the event that you’ve exhausted all your attempts at unlocking your roof box without keys, another alternative is to opt for a professional locksmith. These experts possess the requisite skills and equipment to pry open the roof box without causing any damage.

When enlisting the services of a locksmith, it’s crucial to find a reliable and credible one. You can ask for recommendations from friends and relatives, or conduct an online search.

It’s vital to ensure that the locksmith you settle on is licensed, insured, and experienced in opening roof boxes. You should also inquire about their fees, including any additional charges, such as service fees.

Once you’ve settled on a locksmith, they will typically come to your location and assess the situation. They will inspect the roof box and identify the optimal technique to open it without incurring any damage. The locksmith may utilize specialized tools, such as lock-picking devices, or take out the lock cylinder and replace it with a new one.

It’s worth noting that calling a locksmith may be a more costly alternative than the previous methods discussed. The fees charged will depend on the complexity of the lock and the duration taken to unlock it. Nevertheless, this method is a foolproof way of unlocking the roof box without inflicting any damage.

Furthermore, professional locksmiths can provide other services, such as rekeying the lock or setting up a new one. They can also offer guidance on how to maintain and take care of the roof box to prevent future issues.

By Contacting The Manufacturer

If all other attempts to unlock your roof box without its keys have failed, you can try reaching out to the manufacturer for help. This method can be particularly helpful if your roof box is still under warranty, or if you’ve exhausted all other options.

To contact the manufacturer, you’ll need to provide them with the roof box’s serial number, which you can find on a sticker attached to the box or in the owner’s manual. Additionally, you’ll need to provide proof of ownership, such as a purchase receipt.

Once you’ve given them this information, the manufacturer can provide you with a new key or lock cylinder. They may also offer instructional videos or tips on how to install the new lock.

Keep in mind that this method may take longer than the others, as you’ll need to wait for a response from the manufacturer. Additionally, there may be a fee for a replacement key or lock cylinder.

The added benefit of contacting the manufacturer is that they can provide you with guidance on maintaining your roof box or direct you to authorized repair dealers if needed.


In conclusion, there are several ways to open a roof cargo box without keys, including using a spare key, a slim jim, lock picking, contacting a professional locksmith, or reaching out to the manufacturer.

Each method has its advantages and disadvantages, and the choice will depend on the specific circumstances. It’s essential to exercise caution and ensure that no damage is inflicted on the roof box during the unlocking process.

Additionally, seeking guidance from professionals, such as locksmiths or manufacturers, can be helpful in maintaining the roof box and preventing future issues.

With that being said, we recommend making dubs of your original roof box key and keeping it in a safe place just in case you lose the original one, as most roof boxes don’t come with extra keys.

Furthermore, we believe that the best method to unlock your roof box without a key would be with the help of the manufacturer or even an experienced locksmith since this can prevent any damage to your roof box.

Also, we hope you found our answer to the question of How To Unlock A Roof Box Without Keys valuable and pleasant, and if so, please assist us by sharing it, since sharing drives us to create more relevant content.

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