"What do cars put on their…

A car riddle was printed in the Los Angeles (CA) Times on May 9, 2006:

Q: What does a car put on its toast?
A: Traffic jam.

“What do cars put on their toast? Traffic jam #BestJokeEver” was posted on Twitter by Nastassia Jade on August 27, 2010. “What do cars put on their toast? Traffic jam. I apologize to cars that eat jam” was posted on Twitter by Gilbert Gottfried on August 14, 2016.

Newspapers.com
9 May 2006, Los Angeles (CA) Times, “Jokes & Riddles,” pg. E14, col. 4:
What does a car put on its toast?
Traffic jam.
Kyle, 9
Oceanview Elementary
Whittier

Twitter
Paul Welsford
@sirafropaul
Thought of a joke: what did the car eating monster put on his toast? Traffic jam.
12:57 PM · Oct 9, 2009·Twitter Web Client

Twitter
Nastassia Jade
@AshyPops_
Cheesy LOL :pRT @FrankUwhore: What do cars put on their toast? Traffic jam #BestJokeEver.
4:44 PM · Aug 27, 2010·ÜberSocialOrig

Twitter
† ↭《Demoña》↭ †
@animesparkle143
rneerkat: rneerkat: what do cars put on their toast traffic jam http://tmblr.co/ZBejevpvUt51
6:17 PM · Jul 17, 2013·Tumblr

23 January 2014, The Northern Territory News (Darwin, NT), “Start the day with a laugh,” pg. 31:
WHAT do cars eat on their toast?
Traffic jam.

Twitter
Be Alixae
@BeAlixae
What do cars eat on their toast? Traffic jam.
@thelaughfactory @ABPTV
6:12 PM · Feb 15, 2014·TweetAdder v4

Facebook
Jokesforfolks
February 23, 2014 ·
What do cars eat on their toast? Traffic jam.
http://www.jokesfolks.com/category/Clean-Jokes/

Google Books
Awesome Jokes For Kids
By Peter Crumpton
PeteyRF Creative
2015
Pg. ?:
What do cars eat on their toast?
Traffic jam.

Facebook
Jokes For Today
June 28, 2015 ·
What do cars eat on their toast? Traffic jam.

Twitter
Gilbert Gottfried
@RealGilbert
What do cars put on their toast? Traffic jam. I apologize to cars that eat jam.
7:26 PM · Aug 14, 2016·Twitter for iPhone

Reddit—3amjokes
Posted by u/klendathu22 March 3, 2020
What does a car like to put on its toast?
Traffic jam.

“What do cars put on their toast?”/“Traffic jam.”