Owners describe two broad failure categories destroying visibility safety in 2012 Focus models.
Wiper system electrical chaos dominates complaints. Wipers activate on their own without lever input, refuse to shut off even after ignition is killed (requiring fuse removal to stop), fail entirely during rain, move erratically at wrong speeds, and sometimes operate only on one side. Passenger-side wipers especially fail, either stopping completely or crashing into driver-side wipers during operation. Dealers and Ford issued recall 12V149000 for wiper visibility failures, but many owners' VINs weren't included despite identical symptoms. Dealers sometimes replaced blades and made adjustments without fixing the root electrical problem. One owner reported a dealership couldn't diagnose the issue and demanded $106 payment before any warranty assistance would be considered.
Glass spontaneous shattering strikes at low mileage and without warning. Sunroofs explode outward while closed—owners hear gunshot-like pops. Rear windows shatter after door closure, key-lock presses, or rear defrost use in cold weather, with no visible impact marks. One owner's rear window failed at 7,000 miles after closing a door; Ford denied the warranty claim despite terms stating coverage for first 12 months regardless of external cause. Windshields crack fully across when defroster engages.
Other visibility complaints include sunroof water leaks during rain, windshield distortion (dealers claim it's standard), defroster heater-box failure leaving glass fogged dangerously, and window motors that stop functioning. Repair costs run into thousands; many owners report Ford and dealers refusing responsibility.
Failure modes owners describe
Windshield wiper electrical/control malfunction
Wipers activate without driver input, fail to respond to lever commands, stop mid-operation, or refuse to shut off even after ignition is turned off. Symptoms include erratic movement at unintended speeds, complete non-responsiveness, and occasionally running on high even with engine off and keys removed. Passenger-side and driver-side wipers can fail independently or together.
When: Mileage 36,000 to 166,000; timing sporadic to recurring
Symptoms owners cite: Wipers activate independently without lever input; Wipers fail to respond to lever commands; Wipers operate at wrong speeds or erratically; Wipers continue running after ignition turned off; Wipers stop mid-operation; One wiper blade stops while other continues; Passenger-side wiper fails while driver-side works
Codes mentioned: 12V149000
Repairs/costs cited: Owners report dealers replacing wiper blades and attempting adjustments without resolving issue. One owner paid for diagnosis ($106). Recall 12S29 performed on some vehicles but failure recurred. Many owners' VINs not included in recall despite identical symptoms.
Recalls/TSBs owners mention: Recall 12V149000 issued for visibility/wiper issues. Some vehicles not included in recall despite matching symptoms. Ford directed owners to dealerships for paid diagnosis. Some dealerships unable to duplicate failure or refused to service outside recall parameters.
Windshield heater/defroster failure
Heater box fails to defrost or defogging the windshield, leaving the glass fogged or frosted over and obstructing driver vision. Problem worsens in cold weather. Owner reported dangerous conditions requiring manual wiping while driving.
When: Problem occurred for 4-5 months before reporting; manifests during weather changes requiring defrost
Symptoms owners cite: Windshield fogs up and frosts over; Heater box fails to clear condensation; Defrost function inoperative
Repairs/costs cited: Owner reported part on backorder with long wait time. Estimated repair cost approximately $1,000.
Sunroof glass spontaneous shattering/explosion
Sunroof glass shatters or explodes outward without external impact while vehicle is moving or stationary. Owners report hearing loud pop or explosion-like sounds. Glass breaks in an upward/outward manner with no visible impact damage. Remaining glass can show bubbling and deterioration.
When: Low mileage instances (11,200 miles); various temperatures including 102 degrees outdoor with A/C at 71; cold weather after using defrost
Symptoms owners cite: Sunroof glass shatters spontaneously; Loud pop or explosion sound; Glass breaks outward; Glass shows bubbling and deterioration; Occurs with sunroof closed
Repairs/costs cited: Owners report Ford and dealerships refusing warranty coverage or responsibility. Estimated repair costs substantial. One rental company claimed liability rested with renter/owner.
Recalls/TSBs owners mention: Manufacturers/dealerships denying warranty coverage and refusing responsibility. One owner contacted lawyer over liability dispute.
Rear window spontaneous shattering
Rear window glass shatters while vehicle is parked or in motion with no apparent external impact. Owners describe loud pop/bang and rapid decompression. Happens after closing doors, pressing lock button, or during/after using rear defrost in cold weather. No visible impact marks on glass or adjacent areas.
When: Various mileages including 7,000 miles early in ownership; timing includes after door closure, key lock press, and cold weather defrost use
Symptoms owners cite: Rear window shatters spontaneously; Loud pop or bang sound; Rapid decompression; Occurs after door closure or lock button press; Occurs after rear defrost use in cold weather; Glass shows no impact damage
Repairs/costs cited: Owner at 7,000 miles reported Ford denied warranty despite coverage terms stating first 12 months/12,000 miles regardless of external cause. High repair costs reported.
Recalls/TSBs owners mention: Ford denied warranty coverage citing alleged external causes despite owner warranty terms stating coverage regardless of external cause in first 12 months. Owner reported having witness to verify spontaneous failure.
Windshield glass distortion
Windshield exhibits visible distortions (vertical and horizontal lines) that owner reports Ford and dealers claim are standard for this model. Distortions obstruct vision and create safety concerns. No replacement glass available due to dealers claiming all model windshields have same issue.
When: Unknown specific timing
Symptoms owners cite: Vertical distortions in windshield; Horizontal distortions in windshield; Distorted view through glass
Repairs/costs cited: Dealers and Ford corporate claim distortion is standard and no replacement windshield available.
Recalls/TSBs owners mention: Ford corporate service confirmed as standard for model; no replacement offered.
Windshield cracking from defroster activation
Windshield cracks across full width after defroster is engaged. One owner reported crack extending left to right after activating defroster.
When: Unknown specific mileage
Symptoms owners cite: Windshield cracks across full width; Crack occurs immediately after defroster engaged
Repairs/costs cited: Vehicle was repaired but details not specified.
Recalls/TSBs owners mention: Manufacturer made aware but did not offer assistance.
Passenger-side window motor failure
Window motor stops functioning, preventing window from opening or closing via door control switch. Failure occurs intermittently on some vehicles or completely on others. Some windows fail to move with either door or main control.
When: Mileage 43,761 and 99,085
Symptoms owners cite: Window fails to open or close via door control; Window fails with both door and main controls; Intermittent operation
Repairs/costs cited: Dealer replaced regulator cable and motor (for one case). One owner's vehicle not diagnosed despite notification.
Recalls/TSBs owners mention: One owner notified but VIN not under recall.
Rear window vent liner deterioration
Vent liners in the rear window deteriorate over time. Dealer inspection indicated rear deck replacement would be needed.
When: Mileage 50,000
Symptoms owners cite: Rear window vent liners deteriorated
Repairs/costs cited: Not repaired; dealer indicated rear deck replacement needed.
Recalls/TSBs owners mention: Manufacturer notified.
Passenger-side wiper blade snapping off
Wiper blade on passenger side snaps or breaks off, typically during driving at highway speeds. Failure occurs multiple times on same vehicle.
When: Occurs at speeds 30-65 mph; mileage not specified
Symptoms owners cite: Passenger wiper blade snaps off; Occurs at highway speeds
Sunroof water leakage
Water leaks into cabin from sunroof during rain. Owner reports this happens every time it rains.
When: Unknown mileage
Symptoms owners cite: Water pours in from sunroof; Leakage occurs with every rain
Synthesized from 48 NHTSA owner complaints — unverified consumer
allegations, summarized for patterns. The verbatim filings appear below.