Interior Mirror

For Buick and Cadillac vehicles

OEM Part Numbers

21998154

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Fitments

telematics (OnStar, opt UE1) automatic dimming headlamps (with compass, opt DD7)

2006 Buick LUCERNE

telematics (OnStar, opt UE1) w/o automatic high beam

2006 Cadillac DTS

2007 Cadillac DTS