2019 Mitsubishi Mirage: Tire Change

 

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Relevant Material: "Tire inspection involves checking tread depth (using penny/quarter tests or a gauge to ensure >2/32" for safety/legality, especially for winter), looking for physical damage (cuts, bulges, embedded objects in tread/sidewall), and identifying uneven wear patterns (indicating alignment/balance issues) to prevent blowouts and maintain grip, requiring monthly checks and professional advice for repairs. 
How to Inspect Your Tires
  1. Check Tread Depth:
    • Penny Test: Insert a penny head-first into a tread groove. If you see the top of Lincoln's head, you need new tires (below 2/32").
    • Quarter Test: If you see the top of Washington's head (4/32" mark), consider replacement soon, especially for winter driving.
    • Tread Wear Indicators: Look for the built-in rubber bars in the grooves; when the tread is flush with them, replace the tire.
  2. Inspect for Damage:
    • Cuts, Cracks, Bulges: Look for any deep cuts, slits, blisters, or bulges in the tread or sidewalls – these are dangerous and need professional inspection.
    • Foreign Objects: Check for stones, glass, or nails embedded in the tread that could cause leaks.
  3. Look for Uneven Wear:
    • Patterns: Cupping, feathering, or wear on just the inner/outer edges suggests alignment, balance, or suspension problems.
    • Action: If uneven wear is present, get your alignment checked annually or after hitting a big pothole. 
When to Inspect
  • Monthly: A good general rule.
  • Before Long Trips: Essential for peace of mind.
  • After Hitting Potholes: To check for hidden damage. 
Why It Matters
  • Safety: Prevents hydroplaning and loss of traction.
  • Legality: 2/32" is often the legal minimum, notes Transport Canada and Toyo Tires Canada.
  • Cost Savings: Catching issues early prevents premature replacement and improves fuel economy. .." (Google) 
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Relevant Material: "While specific statistics linking weather-related accidents directly and exclusively to tires can be hard to isolate, data highlights the significant roles both weather conditions and tire condition/type play in road safety. 

Weather-Related Accident Statistics
Weather is a major contributing factor in a substantial percentage of accidents. 
  • United States: According to the Federal Highway Administration (FHWA), approximately 21% of all vehicle crashes in the U.S. are weather-related. Of these, the majority happen on wet pavement (70%) and during rainfall (46%). Snowy or icy pavement conditions account for a smaller percentage of overall weather-related crashes but are highly hazardous, with an average of 1,836 deaths annually attributed to them.
  • Canada: Environmental factors contributed to over 20% of fatal collisions between 2018 and 2022. Nearly 30% of collisions reported to the National Collision Database happened on wet, snowy, or icy roads. 
Tire-Related Accident Statistics
General statistics show that tire problems are a critical safety issue, which is exacerbated by adverse weather. 
  • Overall Tire Issues: In the U.S., the National Highway Traffic Safety Administration (NHTSA) reports around 11,000 tire-related crashes occur annually, resulting in hundreds of fatalities each year.
  • Tire Condition as a Factor: Poor maintenance is a primary cause of tire-related incidents.
    • Tires underinflated by more than 25% are three times more likely to be a critical pre-crash factor.
    • Worn tire treads significantly increase stopping distances, especially on wet surfaces.
    • 75% of tire defects were due to lack of maintenance in fatal incidents where car tires were a causal factor. 
The Intersection of Weather and Tires
The link between weather and tires is based on traction. Worn or inappropriate tires drastically increase the risk when conditions are poor. 
  • Winter Tires: The superior traction of winter tires is proven to save lives in cold conditions (below 7°C/45°F). One study in Quebec found that mandatory winter tire use resulted in a 5% decline in winter road collisions. Another survey found that 81% of Canadian drivers believe using winter tires has saved them from an accident or loss of control.
  • All-Season Tires: All-season tires have much longer stopping distances than winter tires on ice; a car with winter tires needs 6.4 meters to stop on ice, compared to 12.1 meters for a car with all-season tires. .." (Google) 
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Relevant Material: "using certified winter tires often lowers your car insurance premiums in Canada (especially Ontario) by 2-5%, as they reduce accident risk, but you must install four matching, certified tires (snowflake/mountain symbol) within specific dates (e.g., Nov-April) and provide proof (receipts) to your insurer, with savings continuing year-round for the discount, not just when tires are on. 
How it Works
  • Discount Incentive: Insurers offer discounts (around 5% in Ontario) because winter tires improve traction and braking, leading to fewer claims.
  • Mandatory in Ontario: Ontario mandates insurers offer this discount, though amounts vary by company. Other provinces may offer it at their discretion.
  • Year-Round Savings: You typically get the discount for the entire policy term, not just winter months, notes Sonnet Insurance. 
How to Qualify for the Discount
  • Get Certified Tires: Look for the "three-peak mountain snowflake" symbol. "M+S" (Mud & Snow) tires usually don't qualify.
  • Install All Four: A set of four matching winter tires is required.
  • Meet Timing: Install them within your insurer's specified window (e.g., Nov 1 to April 1).
  • Provide Proof: Keep receipts/invoices and be ready to show your insurer (or a broker like Mitch Insurance or BrokerLink or Duliban Insurance or Excalibur Insurance or CAA or Co-operators or RBC Insurance or Rates.ca or Ratehub.ca or Begin Insurance or LowestRates).
  • Be Honest: Misrepresenting tire use can complicate claims, notes Mitch Insurance. 
Key Takeaway
The cost of tires can be offset by recurring insurance savings and tire rebates, making it a financially smart move for safer winter driving, according to Rates.ca. .." (Google) 
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