Tow/Haul Mode (Included and only available with (LGZ) 3.6L DI DOHC V6 engine or (LWN) 2.8L Duramax Turbo- Diesel engine. Standard on Crew Cab Long Box.)
Tow/Haul Mode (Included and only available with (LGZ) 3.6L DI DOHC V6 engine or (LWN) 2.8L Duramax Turbo- Diesel engine. Standard on Crew Cab Long Box.)