Spark plugs

Be sure the engine and ignition switch

Be sure the engine and ignition switch are off and that the parking brake is engaged securely.

Be sure to use the correct socket to

Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs.

See also:

Push starting
Do not attempt to start the engine by pushing. Continuously Variable Transmission (CVT) models cannot be push-started or tow-started. Attempting to do so may cause transmission damage. ...

Engine block heater (if so equipped)
WARNING: - Do not use your engine block heater with an ungrounded electrical system or a 2-pronged adapter. You can be seriously injured by an electrical shock if you use an ungrounded connec ...

Tire Pressure Monitoring System (TPMS)
Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire ...