Lifescan OneTouch Ultra 2 Owner's Booklet page 54

Checking for expiration or damage to strips and control solution
Test strips and control solution have expiration dates printed on their
vials. When you first open a test strip or control solution vial, you must
record the discard date (date opened plus three months) in the space
provided on the label.
CAUTION:
expiration date printed on the vial or the discard date, whichever
comes first, or your results may be inaccurate.
CAUTION:
left open to air. This could lead to error messages or tests that read
higher than the actual value. Call Customer Service immediately if
the test strip vial is damaged.
Cleaning your meter
To clean your meter, wipe the outside with a soft cloth dampened with
water and mild detergent. Do not use alcohol or another solvent to
clean your meter.
48 Customer Service 1 800 227-8862
Do not use the strips or control solution after the
Do not use your test strips if your vial is damaged or