Owner-help topic
Seasonal and storage: 8 decision guides.
Prepare for storage, salt, heat, floods, hail, lightning and safe recommissioning after a vehicle sits. The seasonal and storage desk holds 8 of the site's 126 ownership guides: 2 rated stop driving, 3 rated soon, 3 rated routine. A reader in a hurry can jump straight to the escalation rule. One with more time can work through the evidence first, because each guide follows the same five-section sequence: what to check, the safe action sequence, what not to do, the escalation rule, and sourced references. 14 related owner-help systems covering other symptom groups are linked below for the adjacent conditions this one is most often confused with, and each guide's own source and reviewed date sit beside its escalation rule.
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| Guide | Urgency | First check |
|---|---|---|
| Preparing a vehicle for winter storage | Routine | Gas, diesel, hybrid or EV storage instructions |
| Starting and inspecting a vehicle after long storage | Routine | Rodent debris near intake, exhaust and wiring |
| Car will not move after the parking brake was left applied | Soon | Parking-brake indicator and actuator sound |
| Why batteries often fail after summer heat | Soon | Battery age, case swelling and electrolyte odor |
| Road-salt underbody washing and corrosion checks | Routine | Brake/fuel lines and suspension mounts |
| What to do after a vehicle was in flood water | Stop driving | Water height and whether saltwater was involved |
| How to inspect a vehicle after hail | Soon | Glass chips and edge cracks |
| Vehicle suspected of a lightning strike | Stop driving | Burn marks, damaged antennas or electronic failures |
Preparing a vehicle for winter storage
Storage planning should preserve the battery, fuel system, tires, fluids, brakes and pest barriers without creating exhaust or fire hazards. The exact fuel and high-voltage recommendations depend on vehicle type and storage duration.
Starting and inspecting a vehicle after long storage
Before starting, inspect for leaks, nests, damaged wiring, low fluids, tire deterioration and a weak battery. Cranking immediately can pull debris into belts or start an engine without safe fluid level.
Car will not move after the parking brake was left applied
Brake pads or shoes can adhere to rusted surfaces and cables or actuators can seize. Confirm the brake is commanded off and avoid high throttle that can damage driveline or release the vehicle suddenly.
Why batteries often fail after summer heat
Heat accelerates internal battery degradation even when the no-start appears during later cold weather. Test capacity, charging voltage and connections instead of using resting voltage alone.
Road-salt underbody washing and corrosion checks
Frequent winter salt exposure accelerates corrosion at seams, subframes, brake/fuel lines and electrical grounds. Rinse after salt events when temperatures allow and inspect vulnerable parts instead of relying on cosmetic paint condition.
What to do after a vehicle was in flood water
Do not start a flooded vehicle. Water can contaminate engines, transmissions, fuel, airbags, wiring and high-voltage batteries; energizing systems can increase damage and shock or fire risk.
How to inspect a vehicle after hail
Hail can damage glass, roof seams, cameras, radar covers, lights and thin aluminum panels beyond visible dents. Inspect in angled light and verify driver-assistance calibration when sensors or glass were affected.
Vehicle suspected of a lightning strike
A strike can damage tires, bearings, modules, antennas and charging components even if the body looks intact. Once the storm has passed, avoid touching damaged wiring and have the vehicle towed for electrical and tire inspection.
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What owners report
Seasonal and storage: complaints filed with NHTSA.
A car stored for a season fails in predictable ways: the battery discharges, tires develop flat spots, brakes rust where the pads meet the rotor, and old fuel turns to varnish. A battery tender, a full tank with stabilizer, tires inflated to the maximum on the sidewall or the car on stands, and the parking brake left off on flat ground address the four.
Pests and moisture are the other risks, so an enclosed space with a breathable cover is better than plastic.
Visibility/Wiper
Owners filed 4,721 complaints under visibility/wiper across the model years 2019 and later in our records. The largest single model-year counts were Subaru Forester (2019), 370; Subaru Outback (2019), 326; Honda HR-V (2023), 319; Subaru Outback (2020), 313.
Fuel System
Owners filed 1,205 complaints under fuel system across the model years 2019 and later in our records. The largest single model-year counts were Honda CR-V (2019), 119; Ford Escape (2020), 119; Honda Pilot (2019), 78; Honda Accord (2019), 76.