GMC Sierra Owners Manuals

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Washing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight. Notice: Do not use petroleum based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, metal, or p ...

Door Ajar Messages
DOOR OPEN A door open symbol will be displayed on the DIC showing which door is open. If the vehicle has been shifted out of P (Park), a DOOR OPEN message will also be displayed. Close the door c ...

Using the USB Port
Radios with a USB port can control a USB storage device or an iPod® using the radio buttons and knobs. See “Playing an MP3” in CD Player on page 7‑16 or CD/DVD Player on page 7‑22 fo ...