Answer: optional

AnswerCrossword Clue
OPTIONAL

Like some new car features

OPTIONAL

Not necessary

OPTIONAL

Not standard

OPTIONAL
Not included
OPTIONAL
Left to you
OPTIONALNot required
OPTIONALIf you ask for it
OPTIONALElective.
OPTIONALAuto seller's word
OPTIONALElective
OPTIONALNot mandatory
OPTIONALNot compulsory
OPTIONALUnrequired
OPTIONALDiscretionary
OPTIONALLike some auto features