“Don’t drink and park. Accidents cause people” is a jocular saying that has been printed on many images. “Don’t drink and park, accidents cause people” was posted on the newsgroup comp.sys.ibm.pc.demos on June 17, 1996. The saying has been printed on many bumper stickers.
   
 
Google Groups: comp.sys.ibm.pc.demos
Don’t drink and park, accidents cause people.
Todd M Zimnoch
6/17/96
Version says ...
   
Google Books
Estrella’s Prophecies Two:
Dawn of the Living Fortune
By David Baratur
Charlottesville, VA: Extant/Anabasis
2002
Pg. XXXXVI:
Don’t drink and park — accidents cause people.
 
8 May 2003, Lansing (MI) State Journal, “Bar Spotlight” by Sarah Schmidt, pg. T11, col. 2:
Another gem: “Don’t drink and park. Accidents cause people.”
     
23 August 2004, The Spokesman-Review (Spokane, WA), “Reporter tries to clear up rumor” by Dave Oliveria, pg. A9:
All that, and Ron was thinking clearly enough to recall this bumpersnicker for Huckleberries: “Don’t drink and park: Accidents cause people.”

Twitter
George Torres
@urbanjibaro
Don’t drink and park, accidents cause people.
9:58 PM · Jun 24, 2008·Cloudhopper
   
Twitter
SirWilliamsHand
@SirWilliamsHand
Confucius say don’t drink and park, accidents cause people.
3:54 PM · Dec 1, 2008·Twitter Web Client
   
Twitter
Dorian Martínez
@PhotonMX
“Don’t drink & park. Accidents cause people” xDDDDDDDD
12:25 AM · Dec 29, 2008·Twitter Web Client
   
Twitter
Rick Krug
@RickKrug
Rix Friday Foibble: “Don’t drink and park - accidents cause people.”
12:42 AM · Jan 16, 2009·Twitter Web Client
   
Google Books
Life’s Daily Dose of Wit & Wisdom:
Wit & Wisdom to Enlighten Your Day
By J. N. Hospitable
Bloomington, IN: AuthorHouse
2011
Pg. 105:
Don’t drink and park, accidents cause people. (Confucius)
   
Google Books
Crazy Sh*t Old People Say
Edited by Geoff Tibballs
London, UK: Constable & Robinson Ltd
2011
Pg. ?:
“Don’t drink and park. Accidents cause people.”
 
Twitter
Yosep Yu
@yosep_yu
Don’t drink and park - accidents cause people.
10:52 PM · Aug 18, 2019·twittbot.net