Other information:
To remove the mechanical key, press and hold the release button (1) and remove
the mechanical key (2).
To reinstall the mechanical key, put the key into the hole and push it until
a click sound is heard.
With a smart key, you can lock or unlock a door (and Liftgate) and start the
engine.
...
Troubleshooting
Symptom
Suspect Area
Remedy
Engine will not crank
Battery charge low
Charge or replace battery
Battery cables loose, corroded or worn out
Repair or replace cab ...