Quote:
Originally Posted by dstc
You need to book it in to Volvo to perform a SUM calibration. The car is levelled, and the headlights calibrated so they can sweep up and down through the full range of movement. You can test this if you have a copy of Vida, if not drive over some speed bumps at night and you should see the light 'bounce' as the levelling motors do their thing.
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The XC90 does NOT have SUM suspension and thus you cannot do a SUM calibration. SUM = Suspension Control Module. Does not exist on the XC90.
You can calibrate the level sensor, but that is NOT a SUM calibration.
Don't confuse the readers with wrong acronyms from other Volvo models that are simply not applicable to the XC90
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XC90 R-Design MY2009, Black Sapphire Metallic. HP-Sound, RSE, Nav, Tel, ParkingCam, BLIS, ParkingHeater, RestHeat, Removable Towbar, Summer: CRATUS 20x8 on Pirelli Scorpion Zeros 255/45, Winter: NEPTUNE 17x7 on Continental WinterContact 4x4 235/65.
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