2014 Chevrolet Express 2500 Passenger Owner Manual - Page 204

9-14 Driving and Operating Warning (Continued) Add-On Equipment When you carry removable items, you may need to put a limit on how many people you carry inside the vehicle. Be sure to weigh the vehicle before you buy and install the new equipment. Starting and Operating New Vehicle Break-In . When you carry something inside the vehicle, secure it whenever you can. Do not leave a seat folded down unless you need to. . { Caution The vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: . Keep the vehicle speed at 88 km/h (55 mph) or less for the first 805 km (500 mi). Do not drive at any one constant speed, fast or slow, for the first 805 km (500 mi). Do not make full-throttle starts. Avoid downshifting to brake or slow the vehicle. Avoid making hard stops for the first 322 km (200 mi) or so. During this time the new brake linings are not yet (Continued) . .