It would help if you posted the model number since these vary by model. Or put that info in your profile.
And the owner's manual would not have had any information on your issue since they are generic and have no model-specific nor brand-specific information.
Dan-Retired California Firefighter/EMT
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity