2010 GMC Sierra 1500 Review

See also:

Receiving a Call
When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle. • Press to answer the call. • Press to ignore a call. ...

Manual Lumbar
Manual Lumbar If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward. ...

Parking Brake
To set the parking brake, hold the regular brake pedal down, then push the parking brake pedal down. If the ignition is on, the brake system warning light will come on. See Brake System Warning ...