If You Lose Your Keys - Toyota 2009 4runner Owner's Manual

5-2. Steps to take in an emergency

If you lose your keys

New genuine Toyota keys can be made by your Toyota dealer using
one of the master keys and the key number stamped on your key
number plate. (→P. 28)
n If you lose all your master keys.
You cannot make new keys; the whole engine immobilizer system must be
replaced.
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