What is the test for complaining on appeal that an instruction in a personal injury case was ambiguous or incomplete?

"A party may not complain on appeal that an instruction correct in law and responsive to the evidence was too general or incomplete unless the party has requested appropriate clarifying or amplifying language." (People v. Lang (1989) 49 Cal.3d 991, 1024.) A defendant's failure to request a clarifying or amplifying instruction at trial

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forfeits any argument on appeal that the instruction given was ambiguous or incomplete. (People v. Cole (2004) 33 Cal.4th 1158, 1211; People v. Hart (1999) 20 Cal.4th 546, 622.)