Keeping an autonomous car running smoothly mostly comes down to three habits: keeping the sensors clean, staying current on software updates, and not neglecting the 12V battery that powers the systems everything else depends on. Autonomous vehicles are more sensitive to small maintenance gaps than conventional cars because so much of their function relies on clean data and up-to-date software.
1. Keep Cameras and Sensors Clean
Cameras, radar, and lidar are the "eyes" of an autonomous vehicle. Dirt, road grime, bug residue, or water spots on these surfaces can degrade performance and trigger warnings or reduced functionality. Unlike a smudge on your windshield that you can just look past, a dirty sensor surface can genuinely limit what the vehicle can detect.
- Check sensor housings regularly, especially after highway driving or rain.
- Don't use abrasive cloths or harsh chemicals near lens covers.
- If you're not confident cleaning them yourself, professional camera and sensor cleaning starts at $79.
2. Stay Current on Software Updates
Autonomous features depend heavily on software, and manufacturers regularly push updates that improve performance, fix bugs, and patch security issues.
- Don't defer updates indefinitely — you may be missing performance and safety improvements.
- If an update stalls or the screen freezes mid-update, don't just keep restarting the car repeatedly; get it looked at.
- Persistent connectivity drops or pairing failures are worth addressing early rather than living with them. Software and connectivity support starts at $99 and can often be handled remotely.
3. Don't Neglect the 12V Battery
It's easy to assume the main battery is all that matters, but the 12V battery powers the computers, locks, and contactors that let the vehicle "wake up" and communicate at all — including the systems that run autonomous features. A weak 12V battery can cause erratic behavior that looks like a bigger problem than it is. Have it tested periodically, especially before long trips.
4. Watch for Early Warning Signs
- Warnings that don't match actual conditions (e.g., an obstruction warning with nothing nearby)
- Autonomous features disabling themselves more often than usual
- Slower-than-normal response after starting the car
- Any unexpected reboot or freeze of the driving system
These are worth investigating promptly rather than waiting, since they often point to a sensor, software, or 12V issue that's cheap to fix early and more disruptive later.
5. Know Who to Call When It's Beyond DIY
Some issues need hands-on intervention — a vehicle that's stopped itself and won't restart, a sensor fault you can't clear, or a software freeze that won't resolve remotely. Autonomous vehicle support covers field response for exactly these situations, including recovery, relocation, charging, 12V support, and sensor cleaning, starting at $199.
A Simple Maintenance Routine
- Wipe down sensor surfaces weekly or after messy driving conditions.
- Install software updates promptly rather than deferring.
- Get the 12V battery tested annually.
- Address unusual warnings early instead of waiting for them to recur.
The Bottom Line
Autonomous cars reward routine attention more than conventional vehicles do — clean sensors, current software, and a healthy 12V battery prevent most of the issues that would otherwise leave the vehicle stuck or misbehaving. When something goes beyond what you can handle yourself, help is a call away.
Need a technician for a sensor, software, or 12V issue? Call 321.662.1053 or request help.