On Sport model

Your vehicle comes with the two ignition keys.
All models except Sport

You should have received a key number tag with your keys. You will need this key number if you ever have to get a lost key replaced. Use only Honda-approved key blanks.
These keys contain electronic circuits that are activated by the immobilizer system. They will not work to start the engine if the circuits are damaged.
• Protect the keys from direct sunlight, high temperature, and high humidity.
• Do not drop the keys or set heavy objects on them.
• Keep the keys away from liquids.
If they get wet, dry them immediately with a soft cloth.
All models except Sport
The keys do not contain batteries.
Do not try to take them apart.
USB Flash Drive
...
Immobilizer System Description
The vehicle is equipped with a Type VII immobilizer system that disables the
vehicle unless a programmed ignition key is used.
This system consists of a transponder combined with a keyless transmit ...
If the Malfunction Indicator Lam Comes On or Blinks
■ Reasons for indicator lamp to come on or blink
• Comes on when there is a problem with the engine emissions control
system, or the fuel fill cap is missing, or loose.
• Blinks when en ...