The TracFone Alcatel Cell Phone has all the basics you need to connect on the go. The Tracfone Prepaid Cell Phone features big buttons so it's easy to use and hands-free speaker so you can get some work done while you talk. With the Tracfone Cell Phone, you enjoy text messaging, voice mail, Call Waiting, Caller ID, large lighted keys and a background noise reducer. Additional benefits of the Tracfone Prepaid Cell Phone include long battery life, hearing Aid Compatible (HAC) Rating: M4, voice dialing, voice command, auto redial, alarm clock and 1,000 contact address book. The TracFone Alcatel Cell Phone also includes polyphonic ringtones and TracFone Airtime Balance Display that shows you how much airtime you've used and how much is left, so you control your costs. The TracFone Alcatel Cell Phone requires no activation fees, contracts, monthly bills or credit checks. Nationwide long distance included.
Go to www.tracfone.com and click Support, then choose phones. This model is listed there.
But I don't think the manual is adequate for voicemail options, actually it's useless.
When he dials in for the first time he chooses the language - which can be changed later - then he just follows the prompts to complete voicemail activation. After that he just needs to listen to the options and menus.
If you want to help him you watch this video that demonstrate how to setup on Tracfone, it's universal: