Includes high pitched squeal..

Cold running shift bangs & high pitched whines... They disappear after10= 15 min.

Above occurred on way to Hilton Head, S.C.
Subaru shop near Hilton Head (zip: 29927) replaced:
"Meter AY air flo" part no. 22680AA380 9/5/2014.
All well until return trip home on 9/6/2014
when the above warning lights came on again.
The vehicle operates normally despite the above
warning light occurrences.

Can any of the recommended services be delayed or not done and if so can it jeopordize the warrranty or aftermarket service contract validity?