Whether it is from an electronically controlled transmission or throttle (ECT) or in a hybrid vehicle, either symbol indicates that this mode is active. The option controls the transmission electronically, and is chosen by buttons featuring the same symbol. The result is to keep the transmission in a lower gear longer for more powerful acceleration.
In more rare cases, the option may indicate control of the throttle in order allow more powerful or deliberate acceleration.
There will likely be additional text with the abbreviation PWR. See the Acronyms page if it is not a whole word.
Do not confuse the second image with the Settings Indicator symbol on the left. It is nearly identical to the bumpy circle used when referring to the transmission, but lacks any addition in the center and is shown in gray scale. The settings indicator will most generally be seen in the separate Information Display and is the what we have become used to seeing on our phones and computers.
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