There are 1 owner-reported visibility & wipers complaints for the 2011 Buick Regalin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TRAVELING ON FREEWAY APPROX. 5:45AM, ABOUT 72 DEGREES, SUNROOF AJAR (TILTED APPROX 1") BUT NOT FULLY OPENED. SUDDEN LOUD EXPLOSION OF SUNROOF GLASS. FIRST THOUGHT PROJECTILE, POSSIBLY BULLET. UPON STOPPING AND INSPECTING, NO FOREIGN OBJECT IN CAR AND VERY LITTLE GLASS. APPEARS MOST OF THE GLASS EXPLODED OUTWARD. IN ADDITION TO SHATTERED GLASS, STRESS CRACKS APPEAR IN REMAINING GLASS.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026