Diono mXT, Instruction Manual, Page: 10 / 144

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REMOVING THE BACKREST
Follow above instructions in reverse.
ADJUSTING THE HEADREST
Squeeze the red adjuster on back of booster seat headrest while adjusting
its height up or down to fit the child. (Fig. 4)
ADJUSTING BACKREST WIDTH
This booster seat features a unique, width-adjusting seat back to best fit a
growing child as well as seasonal clothing.
Turn the dial on the back of the backrest (Fig. 5) to adjust its width: turn
clockwise (Fig. 5.1) to increase backrest width (Fig. 5.2); turn counter-
clockwise to make backrest narrower.
Security Strap
This restraint features a unique security strap that improves the safety,
performance and security of this child restraint. Diono always recommends
the use of this security strap if it is compatible with your vehicle seat.
Security strap should be tight.