"I jarred to life" meaning

I understand the meaning of "to jar" (thank to the dictionaries) but "to jar to life" makes me confused and puzzled.

Is it something near to "sprang to life"?

You can meet this phrase in Google:

• Keeping You a Secret by Julie Anne Peters: I jarred to life,releasing my gripon Courtney.
• The Scene by R.M. Gilmore: “D?” She touched my elbow, and I jarred to life. “Yeah?”

Solution 1:

Jar, as a verb, means “to have an unpleasant, annoying, or disturbing effect”.

"Jarred to life" means the same thing as "sprang to life" (Silenus's comment has a good example.) In this case, jar is a synonym of jolt, shake, startle, disturb and provoke.