To use your EX90 key, familiarize yourself with its functions, including locking, unlocking, and remote start. Follow the step-by-step instructions for optimal use.
The Volvo EX90 is designed with advanced key functionality that enhances your driving experience. This guide provides an easy-to-follow process on how to effectively use your EX90 key, from basic operations to understanding its advanced features. Whether you’re a new owner or upgrading from a previous model, mastering your key will ensure you get the most out of your vehicle.
For related context, you may also want to read how to use android auto in your Volvo XC60 app.
- Understand the various functions of the EX90 key including locking, unlocking, and remote starting.
- Follow specific steps for using the key efficiently to avoid common mistakes.
- Note any model-year variations that may affect key functionality.
- If issues arise, know when to seek professional assistance.
Prerequisites for Using Your EX90 Key
Before using your EX90 key, ensure the following:

- Your key fob has a functional battery. If not, replace it to avoid operational issues.
- Familiarize yourself with the key’s buttons, including lock, unlock, and remote start.
- Ensure your EX90 is within range (typically 30 feet) for remote functions to work effectively.
Step-by-Step Instructions to Use Your EX90 Key
Using your EX90 key is straightforward. Follow these steps for optimal functionality: You can also use do scanner for Volvo how to use as a helpful next guide on the same ownership topic.
- Unlocking the Doors: Press the unlock button once to unlock the driver’s door. Press it twice to unlock all doors.
- Locking the Doors: Press the lock button once to lock all doors. You’ll hear a locking sound to confirm.
- Using Remote Start: To start the vehicle remotely, press the lock button three times in quick succession. Ensure the vehicle is in a secure area.
- Trunk Access: Press the trunk button to open the rear compartment. This feature is handy for loading groceries or luggage.
Expected Results from Using Your EX90 Key
When you follow the steps above, you should experience:

- Seamless access to your vehicle without needing to use a physical key.
- Enhanced convenience with remote start, allowing you to warm up or cool down the interior before entering.
- Easy access to the trunk for added convenience during your travels.
Common Mistakes to Avoid
Here are some pitfalls to watch out for when using your EX90 key:
- Pressing the buttons too slowly can prevent the key from registering your commands.
- Assuming the key fob has infinite range; staying within 30 feet is essential for remote functions.
- Neglecting to replace the battery when you notice reduced functionality can lead to frustration.
Model-Year Variations in Key Functionality
While the EX90 key functions similarly across recent model years, some differences may exist:
- Newer models may have additional features such as smartphone integration or enhanced remote start capabilities.
- Check your owner’s manual for specific instructions related to your model year, as features may change.
When Not to Continue Using Your Key
If you encounter any of the following issues, it’s best to stop using your key and seek professional assistance: This connects closely with have scanner for Volvo how to use it if you want to compare the topic in more detail.
- The key fob is unresponsive even after battery replacement.
- You experience frequent disconnections from the vehicle.
- Warning lights related to key functionality appear on your dashboard.
💡 Evans Torres Tip: Ensure your key fob is always kept away from water and extreme temperatures to prolong its lifespan.
Frequently Asked Questions
Can I Use My EX90 Key to Start the Car If the Battery Is Dead?
If the key fob battery is dead, you will need to use the manual key or get a replacement battery to start your EX90.
How Can I Replace the Battery in My EX90 Key Fob?
To replace the battery, open the key fob using a small screwdriver, remove the old battery, and insert a new one, ensuring the positive side is facing up.
What Should I Do If My Key Fob Is Not Working?
Check the battery first. If it still doesn’t work after replacement, refer to your dealer or a professional for assistance.
Is There a Way to Locate My EX90 Key If Lost?
Some models may have a tracking feature through a connected app. Check your vehicle’s user manual for specific options.
Can I Program a New Key for My EX90 Myself?
Programming a new key typically requires professional assistance or specific tools. Consult your dealer for key programming services.
What to Do Next
Now that you know how to use your EX90 key effectively, take some time to familiarize yourself with its features. Keep this guide handy for reference, and do not hesitate to consult your owner’s manual for additional details. If you encounter any persistent issues, consider reaching out to your local Volvo dealer for expert assistance.
Author

Evans Torres
I’m Evans Torres, an automotive engineer who loves Volvo cars. I graduated in Automotive Engineering from USC. I have worked in the car industry for years and now share my knowledge on The Volvo Life. I started this blog to connect with other Volvo fans. I offer tips, news, and advice to help you care for your car. My goal is to help you keep your Volvo in great shape and find all the best things about it. Join me as we discover everything Volvo has to offer!