See also:

Six-Speed Automatic Transmission (C635) — If Equipped
The shift lever position display (located in the instrument panel cluster) indicates the transmission gear range. You must press the brake pedal to move the shift lever out of the PARK position ...

Gross Vehicle Weight Rating (GVWR)
The GVWR is the total allowable weight of your vehicle. This includes driver, passengers, and cargo. The total load must be limited so that you do not exceed the GVWR. ...

Parking Brake
Before leaving the vehicle, make sure that the parking brake is fully applied and place the shift lever in the PARK position. The foot operated parking brake is located below the lower left cor ...