Finding that defendant violated his plea agreement, under which he plead guilty to carjacking and was to be resentenced to a reduced term to be served on weekends, is affirmed over claims that: 1) defendant was not given sufficient notice concerning the alleged violation of the plea agreement; 2) the trial court did not make sufficient findings to justify its conclusion defendant violated the plea agreement; 3) the trial court violated defendant's right to a jury trial when it determined he violated his Vargas waiver; and 4) the trial court failed exercise its discretion to impose the reduced sentence.