ive done cross country with it and worked fine.. through the snowy rockies into death valley. just dont let it sit too long.
if you have adhesive goo left behind, try some goo gone, wd40, RC car motor spray, etc and wax afterwards.
tape hood from top to bottom overlapping about 5mm. this will prevent air from lifting up the tape while driving.
and bottom to top on the front bumper to prevent water to get in between the tape. dont forget the side mirrors.