To use your manual transmission for optimal fuel economy, it should be upshifted as listed in the following table

See also:
Steering
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Engine Break-In Recommendations
A long break-in period is not required for the engine and drivetrain (transmission
and axle) in your vehicle.
Drive moderately during the first 300 miles (500 km).
After the initial 60 miles (100 ...
Manual Transmission – If Equipped
Apply the parking brake, place the shift lever in NEUTRAL, and press the clutch
pedal before starting the vehicle. This vehicle is equipped with a clutch interlocking
ignition system. It will not ...


