Verkkowhile engaged, overdrive shifts the vehicle’s transmission into a gear ratio that lowers the engine’s rpm at higher speeds. Consequently, this creates a. Verkkohowever, when towing, especially with heavy loads, overdrive can cause the transmission to hunt, or shift in and out of gear frequently. This increases wear and can lead to overheating. It’s often better to tow with overdrive off,. Verkkoin a manual vehicle you’re in charge of gear selection, so you shift up to the highest gear possible to make the most of overdrive ratios; With regards to overdrive in an. Verkkotechnology isn't just the vehicle in the hybrid work race—it's the nitrous oxide in your innovation engine. Ready to shift into overdrive?