No person shall leave a motor vehicle, except a truck which is engaged in loading or unloading, unattended on any street, used car lot or unattended parking lot without first stopping the engine, locking the ignition and removing all ignition keys from the vehicle. Whenever any police officer finds any motor vehicle standing in violation of this provision, he or she shall remove the keys from the vehicle and deliver them to police headquarters.
(’77 Code, § 701.12) Penalty, see § 10.99