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GMC Yukon Denali Questions

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Both rear struts failed at 20,000 mi, front (RHS) failed 30,000. mi. Rear grinding on open road causing me to limit speed under 30 mph. Front is grinding with any bumps in the road, particularly smooth speed bumps at slow speed.
The cruse control will not work. When you try to set in it will not work.
When the vehicle is unlocked, the mirror continually folds out instead of tilting to the proper position. In reverse, the mirror assembly constantly, repetitively, and slowly "clicks" to the curb side view. The same will occur when the vehicle is placed in drive and when the mirror attempts to return to its original position.
Gas Guage worked fine and was always accurate until I changed the fuel pump out and now it isn't working at all
Car has ran fine until now. I dont know if its a bad fuel pump or electronic module? Any help?
Foreign wording(Japanese) the first two lines. Line underneath them says check cd-rom.

Just changed lights on the front and one of the round driving lights won't come on. Thought it burned out reason to change it but now wondering if electrical or fuses?
the speedometer acts erractily after stereo was stolen from vehicle
they are starting to fall apart and the rains are coming soon.
the speakers are blown out, what speakers do I need?
My front left tire pressure sensor had malfunctioned and is not reporting the pressure. What steps are required to replace the sensor?
AC blows on floor and windshield but does adjust to chest level.
It says to put in auto,but that don't work
No green light on right side of mirror next to emergency button. Unable to figure out which fuse to check so I have checked nearly all of them on the left side of the dash as well as under the hood. Bluetooth phone feature does work but On-star does nothing at all.

Dealer says several hundred to "troubleshoot" before any repairs or anything which I feel is kind of ridiculous.
my gears is shifting.
rear access window keeps popping up every time i take off the alarm or i open the back door
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