What two actions previously required precise coordination from the driver during manual gear changes?

Answer

Foot on the clutch pedal and hand on the gear lever

Before the advent of automation conceived by Spikes, operating a manual transmission required the driver to synchronize two distinct physical operations simultaneously. The driver needed to depress the clutch pedal with their foot to disengage the engine from the drivetrain momentarily, while simultaneously manipulating the gear lever with their hand to select the desired ratio. This necessary coordination represented a significant point of failure, especially in stressful driving environments like heavy city traffic, which Spikes sought to eliminate.

What two actions previously required precise coordination from the driver during manual gear changes?
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