How is the autopilot engaged on the E-190 and which modes are commonly used during climb?

• A. Press the AP button; NAV/HDG for track and ALT or vertical speed/flight path for climb
• B. Flip the AP switch and use LNAV for climb
• C. Engage the autopilot via the MCP and use ILS mode during climb
• D. Engage AP by toggling the flight guidance switch and rely on LVL/ALT during climb

Answer: (A)