Reporting an accident
File an SR-1 with DMV within 10 days if anyone is injured or killed or property damage exceeds $1000; it is required in addition to any police CHP or insurance report. [dmv.ca.gov]
Accident Report Copy
Ontario Police Records maintains traffic collision reports and releases reports at 2500 S Archibald Avenue; front-desk hours are weekdays 7 a.m. to 6 p.m. and weekends 9 a.m. to noon. [ontarioca.gov]
Parking
Vehicles must move on each side's designated street-sweeping day; street-sweeping citations start at $50 and increase to $100 after 30 days. [ontarioca.gov]
Impounds: finding & releasing your car
Ontario Police releases stored and impounded vehicles at 2500 S Archibald Avenue; release hours are weekdays 7 a.m. to 6 p.m. and weekends 9 a.m. to noon. [ontarioca.gov]
Who to call
Ontario Police non-emergency is 909-986-6711 and general information is 909-395-2001. [ontarioca.gov]
Fees
The towed-vehicle release fee is $13; Class A towing is $251 per hour and Class A storage is $64 inside or $59 outside. [content.ontarioca.gov]
Private-property towing
California private-property towing generally requires a sign at least 17 by 22 inches at every entrance and written authorization from the owner or lessee; local traffic law enforcement must be notified within one hour after authorization. [leginfo.legislature.ca.gov]
This guide summarizes official sources linked above. Rules change - always confirm with the linked agency. This is general information, not legal advice.