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Discussion Starter · #1 ·
It may or may not be a waste of time and money, but I decided to paint the exhaust system of my 2021 XSE with Rustoleum high heat primer and paint. Part of the process is to cure the paint by doing the following:

Idle for 10 minutes - cool down.
Idle for 20 minutes - cool down.
Drive normally for 30 minutes - cool down.

So my question is - how do I force the gas engine to run constantly?

Anyone? Anyone? Bueller?

Thanks!!
 

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2021 Sienna XLE
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763 Posts
Maintenance mode works to run the engine at idle or a fast idle, but the vehicle should not be driven in maintenance mode. For the driving part, exit maintenance mode and just drive the vehicle as you normally would.
 

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Discussion Starter · #4 ·
Well, that worked! After doing the sequence recommended in the video, the main display alternated between "Traction Assist Disabled" and "CDY-2E". The engine idled just fine, so no harm done, I guess.
 

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23TFAE AWD WcP
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232 Posts
"Maintenance Mode" message does not appear on the MID, as it doesn't apply to the XL40 Siennas.

In a nutshell:
-Press power button 2 times
-Step on accelerator 2 times
-Shift to Neutral
-Step on accelerator 2 times
-Shift to Park
-Step on accelerator 2 times
-Observe CDY-2E message on MID
-Step on brake, press power button, to turn on vehicle as normal

-To terminate, turn off vehicle as normal
 
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