Spark Plug Inspection
Remove the ignition coils and the spark plugs.
Inspect the electrodes and the ceramic insulator:
Burned or worn electrodes may be caused by these conditions:
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Horn Test/Replacement
'09-11 models
Remove the front grille cover.
Disconnect the 1P connector (A) from the horn (B).
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Remote Transmitter
On Sport model
LOCK - Press this button once to lock all doors and the tailgate. Some
exterior lights will flash once. When you push LOCK twice within 5 seconds, the
horn will sound to verify t ...