See also:

Object Detection System Messages
PARK ASST (Assist) BLOCKED SEE OWNERS MANUAL This message displays if there is something interfering with the park assist system. See Ultrasonic Parking Assist on page 9‑34 for more information ...

Going & Stopping
The biggest drawback I found with the Yukon was the powertrain. A 380-horsepower, 6.2-liter V-8 is standard in the Denali, but it was sluggish in almost every passing situation I could simulate. T ...

AM-FM Radio and AM-FM Radio with CD Player
To set the clock: 1. Turn the ignition key to ACC/ ACCESSORY or ON/RUN, then press the button to turn the radio on. 2. Press the button until the hour numbers begin to flash, then turn the knob t ...