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.
Warm Up TWC Removal/Installation
NOTE: If the warm up TWC is damaged internally, inspect the under-floor TWC
for debris.
Raise the vehicle on a lift.
Remove the bolts (A).
Lower the vehicle.
...
Heater Unit - Core Replacement Part-2
Remove the drain hose (A), then remove the mounting nuts and the blower-heater
unit (B).
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Break-in Period
Help assure your vehicle’s future reliability and performance by paying extra
attention to how you drive during the first 600 miles (1,000 km).
During this period:
• Avoid full-throttle starts ...