Service mode

In service mode, the remote start function is temporarily disabled to prevent the system from unexpectedly starting the engine while being serviced.

See also:

When checking or servicing in the engine compartment while the engine is running
A running engine can be dangerous. Keep your fingers, hands, clothing, hair and tools away from the cooling fan, belts and any other moving engine parts. Removing rings, watches and ties ...

Trailer hitches
Never drill the frame or under-body of your vehicle to install a commercial trailer hitch. If you do, dangerous exhaust gas, water or mud may enter the passenger compartment through the ...

If steam is coming from the engine compartment
Turn off the engine and get everyone away from the vehicle until it cools down. ...