As safety is our top priority, we'd like the opportunity to assist further with your Acadia's concerns. So that we can do so, please visit: https://s.gmc.com/support-request and fill out the support request form with all pertinent details. This form helps our team gather the right information and ensures your request is routed appropriately.
Thanks for sharing your concerns with your Silverado and bringing them to our attention. For assistance, please visit: https://s.chevy.com/support-request and fill out the support request form with all pertinent details. This form helps our team gather the right information and ensures your request is routed appropriately.
We'd like to assist further with your Yukon's concerns. So that we can do so, please visit: https://s.gmc.com/support-request and fill out the support request form with all pertinent details. This form helps our team gather the right information and ensures your request is routed appropriately.
If what you are doing works, keep doing it:
4LO (Four-Wheel Drive Low) should only be used in extreme low-speed, high-torque situations such as deep mud, heavy snow, steep rock crawling, or extreme inclines/declines, and you must follow the correct engagement procedure to avoid drivetrain damage.
Intended Use Cases
Deep mud or snow where traction is extremely poor and you need maximum torque to get unstuck Trucks Only+1.
Rock crawling on steep, uneven terrain forum.fullsizechevy.com+1.
Extreme inclines or declines where you need to control speed and maintain traction solutionsphere.blog.
Heavy towing in low-traction conditions (e.g., deep sand, ice) carclubsusa.com.
Hi,
I work a steep boat landing that has patchy blacktop going down the hill and soft sand/gravel at the bottom. Due to low water levels, it's not always possible reach the blacktop. I've had to help several people get out this year already and with fall coming, I'm anticipating more. I always use 4L. There was a gentleman there today with a 2500 HD (actually 2 - him and his son both have them) and they were trying to get his son's wake boat out. This gentleman swears that you should use 4H in the soft gravel. Says he was a farmer and you always use higher gear when stuck. I was wonder what your thoughts on this are? If I'm wrong, it would be good to find out before things get busy.
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