Check and change the relay
Take the terminals off for five mins both of them
Just turn off the air back service light..
In order to turn off a Volvo v50 service light, one might look to the help of a mechanic. Mechanics can hook the car up to a diagnostic machine and find the issue of why the light is on.
If the airbag light is on, there is a defect somewhere in that circuit. You turn the light off by isolating and fixing the defect. Start with the fuse box.
How do you turn the maintenance light off 2006 Volvo s60 How do you turn the maintenance light off 2006 Volvo s60 Turn key to position I hold trip reset button and turn key to position II continue holding the trip button for about 4 seconds there will be a yellow triangle flashing in the dash, if it turns red you held the reset button to long.
There are a few ways you can go about doing this: 1. a Volvo dealer2. a mechanic who works on volvos3. you own the service light reset tool. you can buy the service light tool at www.ipd.com it will cost about $180. direct link to tool:http://www.ipdusa.com/ProductsCat.aspx?CategoryID=519&NodeID=4564&RootID=629
Close the tailgate!
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It is on a timer; just give 10 minutes or so, and it will shut off.
To reset the airbag warning light on a Volvo V40, you must take the vehicle to the dealer. The dealer will check the airbags and turn off the light using a specific tool.
under the seat look for the plug and un plug it