See also:

Six-Speed Automatic Transmission (5.7L Engine) — 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 ...

Lane Change Assist
Tap the lever up or down once, without moving beyond the detent, and the turn signal (right or left) will flash three times then automatically turn off. ...

Brake/Transmission Shift Interlock System
This vehicle is equipped with a Brake Transmission Shift Interlock (BTSI) that holds the shift lever in the PARK position unless the brakes are applied. To move the shift lever out of the PARK p ...