Volvo Repair Questions? Ask a Mechanic for Answers ASAP
Thank you for your question, my name is ***** ***** I am a fully qualified technician hopefully I can help.
The yellow arrow flashing indicates that you are in winter mode, this is a common problem on your gearbox and is not normally due to the level of the fluid but due to the PNP switch or the connection.
The PNP switch is on the right hand side of the transmission. if you look at the gearbox on the side the exhaust pipe come down you should see the PNP.
The wire for it goes over top of the gearbox to the other side, it can be difficult to access, but as mentioned this is a common failure point on your vehicle and very likely the source of the problem.
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While the motor is driving ok it is safe to ignore but if the changes become jerky or hesitant then it should be attended to. It can sometimes be the connection as mentioned and it would be worth getting that check out. That wouldn't take long with the car up on a ramp and so shouldn't cost a lot. But as your mechanic has already looked and was unaware of this common problem he may not be conversant with the Volvo.
If you do get it looked at let me know how it goes.