I have a coworker who while trying to clear the change engine oil somehow changed the language on the dash computer to what appears to be Russian.

How do you change it back? I believe he has an 03.

It is either french, spanish or english. He will have to go and find the proper menu to change it back. I know its hard in a different language but you should be able to figure it out.

Or you could start taking night classes to learn to read Russian

Use the top key on lower right side of the steering wheel to scroll till you find something that looks like language selection and then scroll through that till you find something that looks like it says English.

Good luck comrade

Press and hold the trip reset stem and it will go back to default, IIRC...

2003-2005 Chevrolet/GMC/Cadillac All Full Size Trucks and Utilities Unable to Change IPC/DIC Language - kw body display odometer operation cluster GMT800 GMT805 GMT806 GMT820 GMT830 #PIT3404 - (Jan 27, 2005)

2003 - 2005 Chevrolet/GMC/Cadillac All Full Size Trucks and Utilities Unable To Change IPC/DIC Language

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The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in the PI.

Condition/Concern:

Starting in model year 2003 the IPC/DIC is able to read out in 3 difference languages: French, Spanish and English.

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Recommendation/Instructions:

To change between the languages on vehicles with steering wheel controls following document Id 867116 in SI 2000.

Vehicles without steering wheel controls follow the procedure below:

<LI type=1>Turn ignition on. <LI type=1>Use the trip rest stem to display the Odometer on the DIC. <LI type=1>With the Odometer displayed press and hold down the trip reset stem, after 3-5 seconds the DIC will begin to scroll thru the 3 difference languages.
Continue to hold down the trip reset stem until the desired language is displayed then release the trip reset stem.
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Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

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Models:

(03-05 Chevrolet All Full Size Trucks and Utilities) and (03-05 GMC All Full Size Trucks and Utilities) and (03-05 Cadillac All Full Size Utilities)

Man that would be too funny. I'm gonna freak out my buddy the next time I reset his oil light.

dmxdsl, You're a baaaaadddd boy! Is that "chico malo" or is "un Gamin"?