Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Tele-Mute Function For Non-Integrated Mobile Phones
The telemute function mutes the sound system when the mobile telephone rings.
The design consists of a signal input and a signal output. The input signal is digital (0 V/12 V) and the output signal is a Controller area network (CAN) communication.
When post-installing the hands free unit the vehicle must be configured using new software. Configuration is carried out via VIDA (Volvo scan tool).
There are diagnostics for the tele-mute function.
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Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.