The issue described occurs specifically under highway conditions when shifting gears, indicating a problem that manifests under higher speeds or load conditions. This cringy noise, likely a mechanical or hydraulic issue within the transmission system, becomes apparent during the gear shifting process. The frequency of this noise correlates with gear changes, particularly at highway speeds, suggesting that the problem is exacerbated by the higher demands placed on the transmission. This can affect vehicle performance by potentially leading to rougher shifts, increased wear on transmission components, and in severe cases, could lead to transmission failure.

The likely root cause of this issue could be related to the transmission fluid, the gear synchronizers, or even the clutch assembly in a manual transmission. Low or dirty transmission fluid can cause inadequate lubrication and cooling, leading to harsh shifts and noise. Gear synchronizers, which help the gears to smoothly engage and disengage, can wear out and cause grinding or cringing noises during shifting. For vehicles with a manual transmission, a failing clutch assembly can also produce unusual noises during gear changes. Ignoring this issue could result in significant damage to the transmission, leading to costly repairs or complete failure.