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What is the normal ammeter voltage for my 07 Denali? For the past three years my ammeter has read 14 volts or slightly higher at all times. Last week my vehicle was dead in the driveway. I charged the battery overnight, took it to the dealer and noticed the ammeter was reading about 12 volts on...

Yesterday I looked at my factory optional 20 inch chrome rims on my Denali and the front rims have rust stains on them, the inside of the wheels are yellow in color and the chrome is starting to pit. The rotors are throwing off rust and staining the chrome. Chrome polish will remove the stain...

The manual for my 07 Denali mentions the ability to set the trip odometer for Trip A and Trip B. I like to use the trip B in my other cars to record the last oil change. It looks like I only have one trip odometer although the manual says I can set both. They just don't tell you how to do it...

New member, first post, although I hang out on the Corvette Forum, C6 section on a regular basis. I just picked up my new Denali two days ago. Is it just me or does anyone else find the instruments hard to read unless the parking or headlamps are on? The background is black, needles red and...