From the Owner's Manual
CALCULATING FUEL ECONOMY
Do not measure fuel economy during the first 1000 miles (1600 kilometers) of driving (this is your engine’s break-in period);
ESSENTIAL TOWING CHECKS
Follow these guidelines for safe towing:
• Do not tow a trailer until you drive your vehicle at least 1000 miles (1600 kilometers).
BREAKING-IN
You need to break in new tires for approximately 300 miles (480 kilometers). During this time, your vehicle may exhibit some unusual driving characteristics.
Avoid driving too fast during the first 1000 miles (1600 kilometers). Vary your speed
frequently and change up through the gears early. Do not labor the engine. Do not tow during the first 1000 miles (1600 kilometers).