2013 Buick Regal Owner Manual - Page 359

Service and Maintenance . 11-11 Signs that the alignment may need to be adjusted include pulling, improper vehicle handling, or unusual tire wear. Your dealer has the required equipment to ensure proper wheel alignment. Wiper Blades Wiper blades need to be cleaned and kept in good condition to provide a clear view. . . Windshield For safety, appearance, and the best viewing, keep the windshield clean and clear. . Signs of wear include streaking, skipping across the windshield, and worn or split rubber. Trained dealer technicians can check the wiper blades and replace them when needed. . Signs of damage include scratches, cracks, and chips. Trained dealer technicians can inspect the windshield and recommend proper replacement if needed. .