Note that your vehicle may not include all the. The tire pressure must be corrected to permanently eliminate the message. Place this booklet in your Owner Manual portfolio for easy reference. It is important to become familiar with them, as they alert you to various vehicle operating conditions. Power Lumbar Front Seats.
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The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the GMC Yukon based on all problems reported for the Yukon. This has to be a safety issue and GMC should issue a recall on the lock actuator to replace them all with a replacement part to ensure no one gets stuck inside there vehicle. I wish GMC would fix it before someone really gets hurt. It occurs at all speeds when the vehicle is moving and in gear. When it happens, all of the lights on the push-button 4wd control module will light up or flash.
No amount of button-pushing will disengage 4 wheel drive. I have also not come across any sort of manual fix, I. Turning off the ignition, taking the vehicle out of gear, backing up, etc. This has happened more than 5 times, and has only ceased to happen because I have removed the relay which controls the 4wd system. I am firmly convinced that it is only through sheer blind luck or divine intervention that no one has been injured while operating this vehicle.
Let me restate: this issue occurs entirely at random, and not only when just starting off driving. It occurs at speed!
Keep in mind that since the brake is not depressed, following drivers have no warning of this rapid decline in speed. I believe that this is a fundamental defect in gm vehicles using this 4 wheel drive system. I think that the only reason the problem is not seen as more widespread is that the issue happens in differently-named makes and models.
For instance, my problem may not be readily connected with the same issue in a Chevrolet suburban, although the two are essentially the same vehicle. Further, I believe that gm is aware that this safety hazard is the result of a manufacturing defect and is unwilling to take responsibility for the problem. A simple internet search of "stuck in 4lo" without identifying a manufacturer, brings up almost exclusively gm-built fullsize trucks using the same push-button system.
Here is an opportunity for ms. Barra to show that gm owns up to its errors.
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