yet ANOTHER NOOB question.

IDZRVIT

The correct answer is in your owner's manual. Try reading it. Some folks provided the correct answer - they read the manual. Other's posted what they like to do out of personal preference. The engine will perform as designed when all the engine temperatures have stabilized, oil, coolant and components including transmission and differential. I personally wouldn't make gear changes above 5K rpm until all components reached their normal operating tempreatures. This may take 15 minutes or longer depending on where you live.

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"America.... still builds rockets!"
Vette: 355 cid, 400 rwhp
'13 CTS-V Coupe: 6.2L LSA, 556HP