The 2021 VW Atlas is a beloved SUV known for its spacious interior, advanced features, and comfortable ride. One of the standout features that many car owners eagerly anticipate is the remote start system. Imagine being able to start your car from the comfort of your home, warming it up on a chilly morning or cooling it down on a hot day. However, like any advanced technology, issues can arise. In this article, we will explore the common reasons your 2021 VW Atlas remote start might not be working and provide you with comprehensive solutions to get it back in working order.
Understanding the Remote Start System
The remote start system in your 2021 VW Atlas is part of the vehicle’s keyless entry and ignition system, designed for convenience and comfort. It allows you to start the engine from a distance using your key fob or mobile app. Additionally, it integrates with other vehicle features, such as climate control, to ensure the perfect temperature when you enter your car.
While remote start is a fantastic feature, it can sometimes malfunction. Understanding how the remote start system works is key to diagnosing and fixing any issues.
How the Remote Start Works
When you press the remote start button on your key fob, a series of actions occur:
- Signal Transmission: The key fob sends a radio signal to the vehicle’s Computer Control Module (CCM).
- Verification: The CCM verifies the signal and checks that the vehicle is in a suitable condition to start, such as being in park, with the doors closed, and the hood secured.
- Engine Startup: If all conditions are met, the engine starts, and the climate control system activates.
Common Reasons for Remote Start Failure
Despite the sophisticated technology behind the remote start system, several common issues can prevent it from working correctly:
1. Dead Key Fob Battery
One of the most common reasons for your remote start to stop functioning is a dead key fob battery. Without sufficient power, the fob cannot send the required signal to the vehicle’s systems.
How to Check for a Dead Key Fob Battery
- Test the other functions of the key fob, such as locking or unlocking the doors. If these features are nonresponsive, it is likely that the battery needs replacement.
- If you have a spare key fob, try using it to see if the remote start activates.
Replacing the Key Fob Battery
To replace the key fob battery, follow these steps:
- Use a flathead screwdriver to gently pry apart the key fob.
- Remove the old battery and replace it with a new one, ensuring the positive (+) side is facing the correct direction.
- Snap the key fob back together.
2. Vehicle Security System Malfunction
The VW Atlas is equipped with a comprehensive security system designed to prevent theft and unauthorized access. If the security system detects an issue, it may prevent the remote start feature from working.
Symptoms of a Security System Issue
- Dashboard warning lights indicating a security system malfunction.
- Inability to start the vehicle with the key fob or ignition after multiple attempts.
Resolving Security System Issues
- Attempt to disconnect and reconnect the vehicle’s battery. This can reset the security system.
- If the problem persists, consulting with a certified Volkswagen technician or visiting a dealership may be necessary to diagnose the security issue accurately.
3. Incorrect Vehicle Mode
For the remote start feature to work, the vehicle must be in the correct mode. This means the gear must be in “Park,” and the doors must be closed and locked.
Tips to Ensure Your Vehicle is Ready for Remote Start
- Always check that the vehicle is in “Park.”
- Ensure that all doors, including the trunk and hood, are securely closed.
4. Faulty Remote Start Module
Sometimes, the problem may lie within the remote start module itself. If this component is faulty, it will not allow the remote start function to work.
Identifying a Faulty Remote Start Module
- If other issues have been ruled out and you still encounter problems, check for evidence of physical damage or corrosion in the module.
- Engine cranking and starting may still be possible with the key, but the remote feature will remain inoperative.
5. Software Issues
Modern vehicles, including the VW Atlas, use sophisticated software to manage functions like remote start. Bugs or glitches in the software can hinder proper operation.
Updating Vehicle Software
- Ensure your vehicle’s software is up to date by checking with a VW dealership or service center.
- Updates can improve functionality and resolve existing bugs that could affect the remote start.
Diagnosing Remote Start Issues
To effectively diagnose issues with your 2021 VW Atlas remote start system, a systematic approach is recommended:
Step 1: Verify Key Fob Functionality
- Begin by testing all functions of the key fob, including unlocking and locking the doors.
- If the fob doesn’t operate these functions, replace its battery.
Step 2: Inspect Vehicle Conditions
- Confirm that your vehicle is parked, all doors are closed, and the gear selector is in the “Park” position.
Step 3: Examine the Security System
- Look for security alerts on your dashboard. If necessary, reset the battery to refresh the security system.
Step 4: Seek Professional Assistance
- If all else fails, it’s best to consult with your local VW dealership or a certified mechanic who specializes in Volkswagen vehicles. They can perform a diagnostic check and identify any underlying issues with the remote start system.
Tips for Preventative Maintenance
To ensure the remote start system in your 2021 VW Atlas continues to function correctly, consider these preventative maintenance tips:
1. Regular Key Fob Maintenance
- Replace your key fob battery every year to avoid unexpected failures.
2. Keep the Vehicle Updated
- Regularly check for software updates to your vehicle’s system, ensuring all functionalities are optimized.
3. Periodic Inspections
- Schedule regular vehicle maintenance with certified technicians, who can check for any issues that might affect your remote start functionality.
Conclusion
Experiencing issues with the remote start feature in your 2021 VW Atlas can be frustrating, especially when you’re counting on that initial burst of comfort as you enter your vehicle. By understanding the common causes of remote start malfunctions, you can take proactive steps to diagnose and solve the problem.
Remember, while some issues can be resolved with simple measures, others may require professional intervention. Always prioritize regular maintenance and stay informed about your vehicle’s technology to ensure a seamless and enjoyable driving experience. With the appropriate care and attention, your VW Atlas can continue to offer the convenience of remote start for many years to come.
What could cause my 2021 VW Atlas remote start to stop working?
The remote start feature in your 2021 VW Atlas may not work due to several common issues, often beginning with the key fob itself. If the batteries are low or depleted, the fob won’t communicate with the vehicle, preventing the remote start from functioning. Other issues include interference from nearby electronic devices or obstructions between you and the car, which can weaken the signal.
Additionally, various vehicle safety features may prevent remote start from operating. If any doors are open, if the hood is ajar, or if the vehicle is not in park, the remote start won’t engage. It’s also worth checking if there are any fault codes that could be impacting other vehicle systems, as modern vehicles like the Atlas have complex interrelated components.
How can I check the battery in my key fob?
To check the battery in your key fob, begin by opening the fob’s casing. Most modern fobs can be gently pried open using a small flathead screwdriver. Once opened, inspect the battery for any signs of corrosion or damage. If it’s secure in its place, you can check its voltage with a multimeter, or simply replace it with a new battery of the same type if you’re unsure.
After replacing the battery, make sure to test the key fob by pressing the buttons to see if their function returns. If the remote start feature is still not working despite a new battery, it might be a good idea to consult with a dealership or a professional automotive technician for further diagnosis.
What should I do if my Atlas’s doors or hood are open?
If your Atlas’s doors or hood are open, this will prevent the remote start feature from working as a safety precaution. To use remote start, make sure that all doors, including the trunk and hood, are securely closed. This allows the vehicle’s systems to recognize that it is safe to start remotely.
Once you have confirmed that everything is closed, try activating the remote start again. If it still doesn’t work, consider checking the door and hood sensors, as they might be faulty. If the sensors are malfunctioning, they may signal that the doors or hood are open even when they are not, affecting the remote start functionality.
Can interference from my surroundings affect remote start?
Yes, interference from surrounding electronics can significantly affect the functioning of your remote start system. Devices such as garage door openers, other remote controls, or electronic devices emitting strong signals can disrupt the communication between your key fob and your Atlas. Try to avoid activating remote start in areas with high electronic traffic.
If you’re experiencing issues in certain locations, try moving to a different area to see if that resolves the problem. Sometimes, simply holding the fob closer to the vehicle or changing your position can improve the signal. If the problem persists in multiple locations, further investigation may be needed.
What if my vehicle’s battery is dead?
If your 2021 VW Atlas has a dead battery, the remote start will not function as intended. The remote start system relies on the vehicle’s battery to initiate the ignition sequence. If your battery is compromised, replacing or jump-starting it may be your immediate solution. Always ensure your car battery is in good condition to support all electrical functions, including remote start.
After replacing or jump-starting the vehicle’s battery, test the remote start feature again. If issues persist, it might indicate a deeper electrical problem. Consider having your vehicle inspected by a professional to ensure the remote start system is properly integrated and functioning as intended.
Could there be a software issue affecting remote start?
Yes, software issues can also impact the functionality of your remote start system. Modern vehicles like the VW Atlas often rely on sophisticated software systems to manage various features, including remote start. If there’s been a recent software update or if a glitch has occurred, this could prevent the remote start from operating effectively.
If you suspect a software issue, visiting a Volkswagen dealership for a diagnostic check is recommended. They can identify any software-related faults and provide the necessary updates or resets to restore the remote start feature.
How can I reset the remote start system?
To reset the remote start system in your 2021 VW Atlas, you can start by disconnecting the vehicle’s battery for a short period. This can help clear any temporary faults in the system. Make sure to take proper precautions when handling the battery, and remember to re-enter any necessary codes or settings afterward.
Another way to reset is to consult your owner’s manual for specific steps unique to your model. Some vehicles have a reset button or a sequence of steps within the settings menu that can help reconfigure the remote start system without dealing with the battery. If you’re not comfortable doing this, consider visiting a dealer for assistance.
Is it advisable to seek professional help for remote start issues?
Yes, seeking professional help for remote start issues is advisable, especially if you’ve already tried basic troubleshooting steps without success. Complex vehicles like the VW Atlas often have interconnected systems that can complicate DIY repairs. A qualified technician or dealership can provide accurate diagnostics and identify underlying problems that may be impacting the remote start feature.
Additionally, professionals have access to specialized tools and software that can analyze your vehicle’s systems thoroughly. They can ensure that the remote start feature is working properly and that any necessary repairs or updates are completed without causing further issues.