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The 2018 GMC Terrain requires a 24'' driver side and an 18'' passenger side wiper blade. It's important to address potential problems that may arise with this part, such as wear and tear leading to blade deterioration, a blown fuse, faulty wiper motor, or a malfunctioning delay module. These issues should be promptly resolved either through DIY maintenance or by seeking assistance from a local auto shop. It is recommended to replace the wiper blades every 6 to 12 months to prevent smudges and maintain clear visibility through the windshield when using them.
The 2018 GMC Terrain features a 24-inch wiper blade for the driver's side and an 18-inch wiper blade for the passenger's side.