It's now called 'Breaking in' To quote the manual.
BREAKING-IN
Tires
New tires need to be run-in for approximately 300 mi (500 km). During this time, you may experience different driving characteristics.
Brakes and Clutch
Avoid heavy use of the brakes and clutch if possible for the first 100 mi (150 km) in town and for the first 1000 mi (1,500 km) on freeways.
Engine
Avoid driving too fast during the first 1000 mi (1,500 km). Vary your speed frequently and change up through the gears early. Do not labor the engine.