of Service on most Volvo sunroofs should be done at least once a year and should consist of checking function, cleaning out any loose debris, and lubrication. SUNROOF ISSUES INNER SUNROOF SHADE BINDING AND JAMMING 1999-2007 V70/XC70/S80/C70/ S60/XC90 This is a common problem on older Volvos. The problem is caused by the Theowners manual will indicate if your 2007 XC90 takes 0W-20, 0W-30, 5W-20, 5W-30 or 10W-30. This video shows the location of the oil drain plug, oil filter, oil fill cap and dipstick in addition to the steps needed to change the oil and filter in your XC90. For most Volvos, you can wrap an old belt around the oil filter and unscrew it by hand HowTo Check Oil Level In Volvo XC90. 1.Switch ignition “ON”. 2.Go to infotainment screen. 3.Swipe it to right. 4.Click on “Car Status”. 5.Car status Messages will appear in screen. 6.Wait for few seconds. 7.Now click on “Status”. 8.Oil level will display in infotainment screen. Welcometo the Volvo Community forums of the Volvo Owners Club. You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, Inormally do routine maint. Myself. As I approach the 7K mark between oil changes I get a message on the message center. Low Oil Level. XC90 First Generation 2003-2014; S80 First Generation 1999-2006; V70, XC70 and S80 2007-2016; S60 2011+ and V60 2015+ and XC60 2010-2018; 2017+ S90, V90, V90 Cross Country; Volvo XC90 Thegenuine Volvo fluid isn't extortionately expensive either. There is a "Gearbox Adaptation" procedure which is recommended when you change the oil or do any more substantial work (i.e. new gearbox) - this involves putting the Transmission Control Module into Adaptation mode using the Volvo VIDA diagnostic equipment and then TheVolvo XC90 on-board computer keeps track of engine conditions and driving patterns to determine when regular service is needed. Regular service refers to routine oil changes. WhatI have noticed is that the oil does not have to be a full quart low, even half of that will trigger the low oil signal. If the low warning comes on, then the sensor is signaling something. If a new sensor gives you the same warning after 1500 miles, then I would recommend adding 1/2 quart and see if that turns off the warning. UK9xB.