Audible signal with no warning lights

2008 Peugeot 207 1.6 HDI
Car: Peugeot 207
Year: 2008
Variant: 1.6 HDI
Categories: Electrics, ECU, Warnings & Lights
Hi,

Straight after starting the engine there is an audible high pitch signal coming from dashboard, same hapens straight after shutting the engine off, however no engine management lights are on and car seems to drive ok. This saund lasts for around 15-20 seconds.

Any ideas what this could be?

Thanks
Problem added: Jan 13, 2017 (7 years ago)
Guessing only , possibly indication of low battery ?
Answered Jan 13, 2017 (7 years ago)

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