Driving the Future: The Transformative Rise of Over-the-Air Software Updates in Cars

Elizabeth Foster|Automotive|September 5, 2025

Photo by çŽ‹ å¤§æ´ª on Unsplash

Introduction: The Digital Shift in Automotive Innovation

The automotive industry is undergoing a profound transformation. Over-the-air (OTA) software updates are reshaping how vehicles are maintained, upgraded, and experienced. This technology allows automakers to deliver critical updates, new features, and security patches directly to vehicles via cellular or Wi-Fi networks, bypassing the need for physical service center visits. As connected vehicles become the norm, understanding the implications, benefits, and practical pathways to utilize OTA updates is essential for both consumers and industry professionals.

Market Growth and Industry Impact

The market for OTA software updates is expanding at an unprecedented pace. According to Future Market Insights, the Automotive OTA Updates Market is projected to grow from USD 5.2 billion in 2025 to USD 25.0 billion by 2035 , representing a robust 17% compound annual growth rate [1] . Maia Research similarly forecasts that the global market will reach $4.9 billion by 2025 , driven by the proliferation of connected vehicles and the continual need for remote software and firmware updates [2] .

This growth is fueled by several key trends:

Early adoption in connected vehicles and rapid integration into electric and autonomous platforms.
OEM (Original Equipment Manufacturer) investment in advanced OTA ecosystems for enhanced vehicle performance and maintenance.
Increasing consumer demand for remote updates , cybersecurity improvements, and digital convenience.

How Over-the-Air Updates Work

OTA updates encompass both software-over-the-air (SOTA) and firmware-over-the-air (FOTA) updates. SOTA typically refers to updates for infotainment systems, navigation, and electronic control units (ECUs). FOTA, on the other hand, involves deeper changes to the firmware embedded within vehicle hardware, requiring more robust battery life, memory, and cybersecurity measures [4] .

Most updates are delivered automatically in the background, with vehicles alerting owners to new updates. Installations can vary by manufacturer-some may occur while driving, others require the car to be stationary and plugged in, especially for electric vehicles (EVs). For example, Tesla pioneered this approach in 2012, regularly pushing system upgrades and feature enhancements to their vehicles without dealership intervention [3] .

Benefits of OTA Updates for Consumers and Automakers

OTA software updates offer substantial advantages for both car owners and manufacturers:

Convenience and Efficiency: Drivers can receive new features, bug fixes, and security patches without visiting a service center. This reduces downtime and streamlines the maintenance process [2] .
Cost Savings: Automakers save millions by addressing recalls and defects digitally; estimates suggest up to $1.5 billion saved annually, as 86% of consumers prefer remote updates over service appointments [5] .
Enhanced Vehicle Value: By 2025, software is expected to account for 50% of a vehicle’s total value, with regular updates ensuring vehicles remain current and competitive [3] .
Improved Safety and Security: Immediate deployment of safety enhancements and cybersecurity patches helps protect drivers and vehicle systems from emerging threats.

Step-by-Step: How to Access OTA Updates

Consumers can benefit from OTA updates by following these steps:

Check Vehicle Compatibility: Ensure your car is equipped with a connected infotainment system and supports OTA updates. Consult your owner’s manual or contact your dealership for specifics.
Connect to Wi-Fi or Cellular Data: Park your vehicle in an area with strong network coverage. Many updates, especially larger firmware changes, require a stable connection and may need the car to be plugged in (particularly for EVs).
Monitor Notifications: Automakers typically send alerts through the vehicle’s dashboard interface or via a mobile app. Review the update details and schedule installation at a convenient time.
Follow Manufacturer Instructions: Each automaker has a unique update process. Some allow updates during transit, others require the vehicle to be locked and left overnight. For safety, always follow the specific guidance provided.
Contact Support: If you encounter issues, reach out to your vehicle’s customer support team or visit the official automaker website. For non-Tesla vehicles, search for your brand’s official OTA update support page or consult your dealer.

Real-World Examples and Case Studies

Tesla set the industry standard, routinely pushing updates that add features such as autopilot enhancements, range improvements, and infotainment upgrades. Other major automakers, including Ford, BMW, and Volkswagen, now offer similar capabilities, allowing owners to download patches and new features directly [3] . In 2023, over 300 vehicle models from 23 brands supported OTA updates, up from just 33 models in 2018 [4] .

Challenges and Solutions

Despite the benefits, several challenges exist:

Cybersecurity Risks: As vehicles become more connected, the risk of hacking increases. Automakers are investing heavily in encryption and secure update protocols. Owners should keep systems up-to-date and avoid connecting to unsecured networks.
Technical Limitations: Not all vehicles support FOTA updates, especially older models. If your car does not support OTA, consider consulting your dealer about upgrade options or aftermarket solutions.
Update Frequency and Quality: While some brands offer frequent, substantial updates, others may only provide minor patches. Consumers should research their automaker’s OTA capabilities before purchase and request more frequent updates if needed.

Alternative Approaches and Future Trends

For vehicles not equipped with OTA technology, traditional software updates via dealership visits remain the norm. However, the rapid expansion of connected vehicle infrastructure means that more models will gain OTA capabilities in the coming years. By 2030, it is estimated that 95% of all cars and trucks will be connected and OTA-enabled [5] . Consumers seeking the latest features can:

Search for new models with advanced connectivity and OTA support.
Contact automakers directly to inquire about future upgrades.
Monitor industry news for announcements of expanded OTA capabilities.

Actionable Guidance for Maximizing OTA Benefits

To fully leverage OTA updates, consumers and fleet operators should:

Maintain strong network connections and regularly check for update alerts.
Review update release notes to understand new features and improvements.
Consult official automaker resources (such as owner’s manuals, support centers, or verified websites) for troubleshooting and best practices.
Consider cybersecurity best practices , including secure passwords for vehicle apps and regular software updates.

If you are unsure about your vehicle’s OTA update capabilities or wish to upgrade, visit the official website of your vehicle manufacturer or contact their customer support for guidance. For general information, search for ‘OTA updates’ along with your vehicle brand for official resources.

Key Takeaways

The rise of over-the-air software updates is revolutionizing the automotive landscape. By enabling remote, rapid deployment of new features and critical fixes, OTA updates enhance vehicle value, performance, and customer satisfaction. While challenges remain in cybersecurity and legacy system compatibility, the technology’s expansion is set to benefit drivers, automakers, and the broader mobility ecosystem for years to come.