What is the random on/off button on my truck?

Asked by migration_Tina2383 Oct 09, 2014 at 01:11 PM about the 2002 GMC Envoy 4 Dr SLE 4WD SUV

Question type: General

On my 2002 Envoy there is a random on/off switch near the steering wheel and the mileage display area (information center)  I don't know what that button goes to.  I have switched it on and off and have seen no change in anything in the car so I am confused.  The button isn't in the book that came with the car and I can't find an answer anywhere on Google.  Please if you know let me know.

6 Answers
24,965

Mark answered 9 years ago

Is the switch original equipment or does it look like an aftermarket switch that someone installed?

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260

Sulgo answered 9 years ago

Check the golve box manual. It probably is to turn off the overdrive on the transmission for mountain driving or towing a trailer.

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24,965

Mark answered 9 years ago

My only thoughts are to pull the switch out of the dash and check the GM Part #. Maybe you can cross reference the number with a description? Other than that, it's tracing out wires in the dash.

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20

Adrian answered 8 years ago

i ntiremobile.com Maybe it's for your brakes.

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