battery saving mode still on after battery and altenator replaced

Hello, it's impossible to know what's going on without performing professional testing. Battery cables, battery, alternator, wiring connector or wiring to the alternator could all be suspect. It's all a wild guess and "possible causes" which have really no value until testing is performed. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops