This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
full bulletin at NHTSA ↗2007 Chevrolet Impala visibility problems
severe 14 complaints filed with NHTSA · avg repair $350 · see visibility across all vehicles →
Failure mileage
Complaints
14
Recalls
0
Avg fix
$350
1injury
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering visibility on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
full bulletin at NHTSA ↗This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
full bulletin at NHTSA ↗This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2007 Impala has generated complaints across multiple visibility and climate components. Most concerning is a sunroof that spontaneously shattered while the vehicle was being driven at highway speed with the shade open. The glass failed in an outward-bowing pattern—glass bubbled out with shards protruding upward—with no impact debris found despite law enforcement investigation. A dealer service manager later admitted seeing similar defects on other Chevy models.
Windshield wipers fail intermittently or completely across multiple examples, sometimes with the wiper arm itself failing. These failures occur at highway speeds in rain, creating real hazard. Two owners replaced wiper motors and switches without solving the problem.
Blend door actuators on the passenger side fail repeatedly, causing clicking noises in the glove box area. One owner reports replacing the actuator three times. Cold air blows from the passenger side even with the heater set to hot.
Rear window defoggers illuminate on the dash but don't heat the glass, allowing frost and snow to build up. Front passenger windows produce screeching noise and stick during operation, scratching the glass permanently. Side mirrors are undersized, creating blind spots. Dashboard chrome around the gear shift reflects sunlight directly into the driver's eyes, causing glare that impairs visibility. One owner reports all four windows showing heavy scratching from the guides.
Same Chevrolet Impala visibility reports on nearby years: 2005 · 2006
Failure modes owners describe
Sunroof spontaneous glass failure
Sunroof glass spontaneously shattered with an outward-bowing pattern and glass shards protruding upward from the vehicle frame, occurring while driving at highway speed with no external impact detected. The glass failure resulted in a 2-foot hole. Law enforcement and the owner found no evidence of impact from an object.
When: 17,000 miles; vehicle approximately 1 year old
Symptoms owners cite: Loud pop while driving; Glass shattered outward with bubbled, raised edges; Shards protruding upward out of vehicle frame; 2-foot hole in sunroof; Owner sustained minor cuts
Repairs/costs cited: Dealer investigated but was doubtful of coverage; suggested impact from rock despite inability to locate impact point or explain outward glass pattern. Service manager later acknowledged seeing similar defect on Corvette models.
Recalls/TSBs owners mention: GM referred complaint to dealer; dealer stated sunroof defects would have been previously reported if genuine
Front passenger window screeching and scratching
Front passenger window produces screeching noise when rolling up or down, accompanied by window sticking. The window frame or guide appears to be scratching the glass, causing permanent light scratches that worsen over time.
When: Mid-life of ownership; progressively worsening over one year or more
Symptoms owners cite: Loud screeching noise when window moves; Window sticks during operation; Permanent light scratches on glass; Scratches progressively worsening
Repairs/costs cited: Dealership initially misdiagnosed as dirty window. Upon later service, repair was performed but nature of fix not disclosed to owner. Outer seal replacement quoted at dealership.
Rear window defogger non-functional
Rear defogger button illuminates on the dashboard control panel but the rear window heating element does not activate. Frost and snow accumulate on the rear window, impairing visibility and creating a safety hazard.
When: Not specified by owner
Symptoms owners cite: Defogger button lights up but heating does not activate; Frost and snow build-up on rear window; Impaired rear visibility
Blend door actuator failure with clicking noise
Blend door actuator on passenger side fails repeatedly, causing audible clicking noise in the passenger-side glove compartment area. The owner reports having replaced the actuator multiple times. There is concern about potential fire risk or flying debris from broken gears.
When: Not specified; multiple failures requiring replacement of actuator at least three times
Symptoms owners cite: Clicking noise in passenger glove compartment area; Noise occurs when AC mode is changed; Noise when switching between inside/outside air; Noise when car is turned off; Cold air blowing from passenger side even when heater set to hot
Repairs/costs cited: Actuator replacement performed multiple times (at least three replacements by owner's account). Driver-side actuator also required replacement in one complaint.
Windshield wiper motor/switch intermittent failure
Windshield wipers fail to operate, initially working intermittently before ceasing to function entirely. Failures occur at highway speeds in adverse weather, creating a safety hazard. In multiple complaints, wiper arm itself failed.
When: 37,000 miles (one complaint); 86,870 miles (another complaint); timing not specified for others
Symptoms owners cite: Wipers fail to operate; Intermittent operation before complete failure; Wiper arm physically fails; Failure occurs in rainy weather; Failure at highway speeds
Repairs/costs cited: One owner replaced wiper motor and wiper switch with no resolution. PepBoys was unable to diagnose. One complaint indicates a restart temporarily restored operation.
Recalls/TSBs owners mention: Manufacturer made aware of failure in one case; no repair action documented
Side view mirror inadequate size
The side view mirrors on the 2007 Impala are undersized relative to the vehicle's dimensions, creating blind spots and impairing the driver's ability to see adjacent traffic and hazards.
When: Design feature; present from delivery
Symptoms owners cite: Mirrors too small for adequate side visibility; Blind spots created
Recalls/TSBs owners mention: GM offered no assistance per owner complaint
Dashboard chrome reflection glare causing visibility impairment
Chrome work around the gear shift reflects bright sunlight directly into the driver's face, creating glare that impairs forward visibility when sunlight enters through the windshield at certain times of day.
When: Design feature; present from delivery
Symptoms owners cite: Bright chrome reflection in driver's face and eyes; Blinding glare effect; Visibility impairment during daytime driving; Occurs at multiple times of day
All four windows scratched from guides
All four window panes on the vehicle develop heavy scratches, indicating the window guides or tracks are scratching the glass as windows roll up and down.
When: Purchased December 2009 as second owner; timeframe of scratching not specified
Symptoms owners cite: Badly scratched glass on all four windows; Scratches appear to originate from window guides or stripping
Synthesized from 14 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had visibility trouble with your 2007 Chevrolet Impala?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the visibility problem on the 2007 Chevrolet Impala?
It's a meaningful issue. 14 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $350.
At what mileage does the visibility typically fail?
Across the 9 complaints that reported odometer mileage, most visibility failures cluster between 41,000 and 86,870 miles, with the median around 61,000. A quarter of owners report trouble before 41,000; a quarter make it past 86,870. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $350 for visibility repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to visibility?
No active recalls currently cover visibility issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2007/Chevrolet/Impala.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.