As far as parts go, the sills—the thresholds below the doors—aren't the sexiest parts of a car. Largely invisible, they seldom command attention until they aren't there. Manufacturers have to justify ...

Per previous GM Authority coverage from March 2023, the illuminated door sill plate feature was unable to order on the GMC Yukon due to a parts constraint. Now, after more than a year of ...

After accidentally charging owners for a feature that was never included, General Motors has released a Customer Satisfaction Program for those who bought certain 2023 Cadillac Escalade and 2023 ...

Considering the importance of the sill plate to the home’s structure, it seems we would need more than the average contractor. My husband has done a lot of carpentry, but we don’t want to take any ...