TowGMC
Full Access Member
My Denali is currently at the dealer to have a couple things looked at. But the big issue is the Nav is causing me problems:
I can be driving down the road with a destination programmed in, then without warning I'll get a screen that tells me to load my nav disc. Have to manually eject the disc and reinsert it to "reboot" it, which then means I have to pull off the side of the highway to come to a complete stop to reenter my destination before continuing.
The disc always makes a bit of a whirring noise even without the key in the ignition. More recently on cold mornings it's been a really loud groaning and it goes on for as much as 30 seconds.
The radio station buttons that are stored across the bottom of the screen, on cold mornings if I touch one to change the channel it selects an entirely different channel from a different row of favorites. For example- Favorites 1- if I select the station that's the second station from the left, it will select the 2nd station from the left from Favorites 2 or 3 screen.
So bottom line is it's likely the head unit will be replaced. Since I've got a July '09 production Denali it's one of the last without the usb input on the back of the head unit. I would like them to install a 2010 unit if the cost is the same to the warranty company. But the service manager said it can't be done unless I change the Body Control Module and buy a 2010 nav disc. Can the BCM's really be that different year to year? FWIW- this is not a GM warranty item but another reputable extended warranty that would be paying.
Thoughts?
I can be driving down the road with a destination programmed in, then without warning I'll get a screen that tells me to load my nav disc. Have to manually eject the disc and reinsert it to "reboot" it, which then means I have to pull off the side of the highway to come to a complete stop to reenter my destination before continuing.
The disc always makes a bit of a whirring noise even without the key in the ignition. More recently on cold mornings it's been a really loud groaning and it goes on for as much as 30 seconds.
The radio station buttons that are stored across the bottom of the screen, on cold mornings if I touch one to change the channel it selects an entirely different channel from a different row of favorites. For example- Favorites 1- if I select the station that's the second station from the left, it will select the 2nd station from the left from Favorites 2 or 3 screen.
So bottom line is it's likely the head unit will be replaced. Since I've got a July '09 production Denali it's one of the last without the usb input on the back of the head unit. I would like them to install a 2010 unit if the cost is the same to the warranty company. But the service manager said it can't be done unless I change the Body Control Module and buy a 2010 nav disc. Can the BCM's really be that different year to year? FWIW- this is not a GM warranty item but another reputable extended warranty that would be paying.
Thoughts?
