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Please read the operators manual to familiarize yourself with the operation of the mower. Below is from the operators manual.
Note: If after releasing the drvie control the mower will not roll backwards, push the mower forward slightly to disengage drive wheels.
The rear safety flap is designed to either skim along the grass when pulled back or to tuck under the mower when pulled backwards.
The owner's manual, like nearly all owner's manuals on the planet could be better written (and I just downloaded mine, it wasn't given to me at purchase).
Thank you for contacting the AnswerARMY.
Please read the operators manual to familiarize yourself with the operation of the mower. Below is from the operators manual.
Note: If after releasing the drvie control the mower will not roll backwards, push the mower forward slightly to disengage drive wheels.
The rear safety flap is designed to either skim along the grass when pulled back or to tuck under the mower when pulled backwards.