Volvo S80 brake light issue preventing car from starting on Volvo S80

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Volvo S80 owners report experiencing starting issues related to brake light malfunctions, which can prevent the vehicle from starting. These problems may arise if the brake lights are not functioning properly, as this can directly affect the ignition process. Additionally, some owners notice that a flashing security light may indicate a related issue hindering the car from starting. Problems with the brake light sensor, located in the brake pedal, can also impact the vehicle's ability to start. Furthermore, a low or dead keyfob battery is another potential cause of starting difficulties. Addressing these factors can help resolve the starting problem effectively.

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