How do you replace the gear shift selector light in a Volvo 850?

You have to remove the center console, which you can get directions for in a Haynes manual. You can order the bulb itself online from several parts stores. Here is one random one: http://www2.swedishpartswholesale.com/parts/parts1/swedishpartswholesale/quote.jsp?year=1995&product=Y4000-185674&application=000339417&part=Light%20Bulb&category=Y&returnurl=null&dp=false Good Luck!