What constitutes reasonable grounds for impounding a vehicle?
A. The necessity for removing (1) an unattended-to car illegally parked or otherwise illegally obstructing traffic; (2) an unattended-to car from the scene of an accident when the driver is physically or mentally incapable of deciding upon steps to be taken to deal with his property, as in the case of the intoxicated, mentally incapacitated or seriously injured driver; (3) a car that has been stolen or used in the commission of a crime when its retention as evidence is necessary; (4) an abandoned car; (5) a car so mechanically defective as to be a menace to others using the public highway; (6) a car impoundable pursuant to ordinance or statute which provides therefor as in the case of forfeiture. State v. Teeter, 249 Kan. 548, 552, 819 P.2d 651 (1991).