Is it okay to keep the transmission in S mode on the highway?

1 Answers
AustinLee
07/29/25 4:19pm
It is not recommended to drive on the highway in S mode for extended periods. This is because S mode only delays upshifting without altering other operational aspects, which inevitably increases the transmission load in the short term, raises temperatures, and accelerates wear. Additionally, vehicle comfort is slightly reduced in S mode, so prolonged use should be avoided. Due to its enhanced power, S mode is typically used for overtaking or climbing hills. Once the maneuver is completed, it is advisable to switch back to the more economical D mode, as S mode consumes significantly more fuel due to increased fuel injection at higher RPMs. Moreover, S mode can lead to greater transmission wear, making it unnecessary for everyday driving.
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