Start a Volvo with a Dead Key Fob

How to Start a Volvo with a Dead Key Fob

Back-up start processes for Volvo models keeps changing seemingly each year, but we have you covered.

• But first, if you are still locked out, click here for help getting inside!
• Second, for video help, click here.
• Finally, if you need or want another manufacturer, click here.

XC90

Beginning with the 2020 XC-90 redesign and the newer key fob style, a sensor location is provided for the key fob. It is found in the second cup holder in the center or tunnel console. An illustration of a key with lines radiating from it can be seen at the bottom of the cup holder.

XC40, C40, EC40, EX40

In the XC-40, the company’s first all electric model, and subsequently the C40, EC40 and EX40 EVs, the mark will be found inside the center console on the bottom and to the front (right). It too features the mark of a key with lines radiating from it. Place the key fob on the mark. The vehicle will recognize the fob even if the fob’s internal battery is dead. The alarm will be turned off and the car can be started as normal.

EX30

The EX30 EV, new in 2025, uses a rechargeable key tag rather than a key fob. If the key tag charge is depleted, placing the tag on the recharge spot (right) will serve to both allow the car to start and to recharge the key tag. A key card is also provided and can be laid flat on the charge spot to be recognized and start the vehicle.

EX90

Also new in 2025 if the EX90 EV. It also uses a rechargeable key tag. The back up start process is similar, using the key tag recharge spot at the front of the center console as a reader (right). A key card is also provided with the vehicle and can be used in the same way on the same spot.

Beginning in 2021, a smart phone app became available and can be used to open and start these vehicles.

Older Volvo models

With ignition slot

In older, second generation keyless start Volvo models, an ignition slot comes into play. The slot will be found either alongside or below the Start/Stop ignition button. Insert the key fob into the ignition slot. This will turn off the alarm and allow the vehicle to be started as normal by pressing the Start / Stop button while depressing the brake.

The vehicle will recognize the key fob even if the fob’s internal battery is dead.

The remote key can be removed from the ignition slot by pressing the it in lightly. The remote key will then be ejected slightly and can be removed from the slot.

With dummy keys

In first generation keyless start models, the ignition switch is turned in normal conditions, similar to key start vehicles. There is a dummy key that needs to be removed. Press the the button found on the side of the dummy key, which frees it to be pulled away. The key fob can then be inserted in its place and the vehicle can be started (right).

Click here for video help specific to Volvo models.

Note: If you have made an attempt to start the vehicle without success, there may be residual pressure in the brake system and a new warning light may appear (left) or text message to Step on the Brake. Press the brake pedal very, very hard when trying to start the vehicle again to be sure that the release switch behind the pedal is engaged. Or wait a few minutes and try again.

Volvo models examined include C30, C40, C70, S40, S60, S80, S90, C50, EC40, EX30, EX40, EX90, V60, V70, V90, XC40,  XC60, XC70, and XC90. Model years 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 and 2026.

… Return to Part I: Getting In

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The information on this website is provided for information sharing purposes only, and should not be used in lieu of an OEM service manual or factory authorized service procedure. We are not in the auto repair business nor do we publish automotive service manuals. Nothing we include on these pages and posts has been reviewed, approved or authorized by any vehicle manufacturer.

Remember that only proper service and repair procedures will ensure the safe and reliable operation of your car. In addition, proper safety procedures and precautions, such as the use of safety goggles, the right tools and the equipment should be followed at all times to eliminate the possibility of personal injury or improper service which could damage the vehicle or compromise its safety.

Technology is always changing and what is current and accurate today may be literally out-of-date and inaccurate tomorrow. And when it comes to the current state of flux in the auto industry, nothing is more true.

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Marc Favreau

The author has 30+ years of automotive experience and has assembled the most extensive collection of symbols and warning lights anywhere (over 1,000!) and can help you open and start any keyless start car with a dead key fob battery. BA, St. Joseph’s, ME: MS, RPI, NY