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:

Parking/parking on hills.
WARNING ● Do not stop or park the vehicle over flammable materials such as dry grass, waste paper or rags. They may ignite and cause a fire. ● Safe parking procedures require that ...

Troubleshooting guide
...

Heated steering wheel (if so equipped)
The heated steering wheel system is designed to operate only when the surface temperature of the steering wheel is below 68°F (20°C). Push the heated steering wheel switch to warm the steer ...