Three Issues: rear speakers are quiet (Bose package); LKA doesn’t “assist”; and BSM doesn’t work

[Kanon Morris]

I have an appointment to take my brand new 2021 Sierra 1500 AT4 to the dealership next week and I’d like to gather as much information from others as possible.

I have the premium Bose sound package, Lane Keep Assist, and Blind Spot Monitors.  I have all features turned on.

 

1. The rear Bose speakers are just trash.  When I fade to the rear for my kids’ music, the rear speakers hardly make a noise.

2.  The LKA doesn’t nudge the steering wheel like it does in my wife’s car.  I see the alerts in the dash, but that’s it.

3. Blind Spot Monitor lights flash in the mirrors when the truck’s cranked, but they don’t light up on the highway when I pass other vehicles like they did in my Tacoma or my wife’s VW.

 

Has anyone else had these issues?  Is there a hidden setting somewhere I may be missing?

[OnTheReel]

The back speakers being very quiet is normal unfortunately. I replaced them with 2 way JBLs, helped a little on the highs, but they simply don’t get enough juice.

 

My LKA and BSM almost work too well. Constant nudging and alerts.

[Rob Mugs]

1. The rear Bose speakers are just trash.  When I fade to the rear for my kids’ music, the rear speakers hardly make a noise.

 

That's Bose best quality.  Sounding like crap and charging extra.  Been that way since the 70s