There are four buttons on the steering wheel. a highway, a gas pump, a menu, and an arrow. Press the menu button until the display language is shown. Press the arrow button to change the language, press the menu button again when English is displayed.
page 3-50 in your owners manual
https://my.gmc.com/content/dam/gmownercenter/gmna/dynamic/manuals/2003/gmc/sierra_1500/2003_gmc_sierra_owners.pdf
I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa
SOURCE: changing fuel pump on a 1989 gmc serria p/u
buy an aftermarket electric pump from Summit Racing and mount it on the frame rail right near the filter....do not waste time dropping gastanks and paying for ridiculous gm type in the tank pumps, the in the tank pump is a giant fock u to the public from the automakers.....remember the little mechanical cam driven two bolt cuteys? 15 bucks and 15 minutes and you were done.... thanks big three!
SOURCE: oxygen sensor
Hello gobabygo1, my name is JShreader. Thank you for choosing fixya.com.
There is 4 Oxygen Sensors on this model Truck. I uploaded a picture showing you exactly where each of the 4 Oxygen Sensors are located. It is in .pdf format. You can download it by clicking HERE. I hope this helps you. If you have any more questions or need any more diagrams, please don't hesitate to ask...Thanks again, JShreader!
SOURCE: where's the knock sensors on a 2007 gmc serria 1500 5.3L
under the intake plentium right in the middle of the valley between the heads. bad for wires getting corroded and rusted. it holds water in the knock sensor holes, you can buy the harness
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