Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier.
• Press 
to answer an incoming call when another call is active. The original call is placed on hold.
• Press again to return to the original call.
• To ignore the incoming call, no action is required.
• Press 
to disconnect the current call and switch to the call on hold.
See also:
Interior
The Sierra showcases two different interior designs. Work Truck and SLE
models are more utility-minded, with large controls and door handles that can be
operated while wearing gloves. The SLT offe ...
Adjusting the Seats
To adjust the second row seats, pull outward on the seat adjustment handle (A). Slide the seat forward or rearward to the desired position.
Release the handle, and push and pull on the seat to make s ...
Starting the Engine Using Remote Start
To start the vehicle:
1. Aim the RKE transmitter at the vehicle.
2. Press and release on the RKE transmitter.
3. Immediately after completing Step 2, press and hold until the parking lamps flash. ...