I.V.A.N.

"Here's your I. V. A. N., sir!"

—Airman Diaz, for serving Buzz the I.V.A.N.

The Internal Voice Activated Navigator (I.V.A.N. for short) is a portable void-activated virtual assistant onboard computer aboard all spaceships and are the characters in Lightyear.

Lightyear

Buzz doesn't seem to be a fan of I.V.A.N.; however, he like to be in control and not trust autopilots.