What does the SOS sign on a vehicle mean?

2 Answers
Heather
07/24/25 4:42am
The SOS sign on a vehicle refers to the onboard self-rescue system. Here is a detailed introduction to the onboard self-rescue system: 1. Overview: The SOS button in a vehicle is usually located near the sunroof button on the ceiling and is typically red in color. It is marked with the letters SOS. The onboard SOS system generally consists of four parts: the SOS button, an emergency horn, a microphone, and an antenna. 2. Workflow: The SOS system is an onboard self-rescue system. When the vehicle encounters a malfunction, an accident, danger, or an emergency situation, pressing and holding the SOS button for more than 2 seconds will automatically send a distress signal and actively call emergency services. Occupants in the vehicle can communicate with emergency personnel through the emergency microphone.
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McMichael
08/11/25 12:21am
I've been driving for over twenty years and am quite familiar with car features. This SOS indicator is located near the interior rearview mirror, with a moderately sized button in highly visible red and white colors, indicating a one-touch emergency call function. When pressed, it directly connects via the vehicle's system to emergency services or the manufacturer's assistance center—for instance, in accident scenarios or sudden medical emergencies, rescue teams can quickly locate your GPS position and arrive to help. This isn't just for show; a friend of mine used it when his car broke down in a remote area—pressing SOS brought help within ten minutes. Avoid pressing it unnecessarily to prevent false alarms and potential fines. The key is maintaining sufficient car battery power and signal strength to prevent failure in deep mountains or forests. Understanding how it works provides peace of mind while driving, especially on unfamiliar routes—safety always comes first.
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