Driven & Kept
Questions, answered
Direct answers to common questions, with links to the detailed guides.
Car washing
Can I use dish soap as my normal car shampoo?
Choose a product labelled for the vehicle’s finish and any protection on it. A household detergent is not a substitute for verifying compatibility.
Is more foam proof of better cleaning?
Foam appearance alone does not establish cleaning performance or safe dilution.
Should I polish the car after every wash?
No. Washing and polishing serve different purposes. Do not add a corrective process automatically at the end of a wash. Inspect the clean finish and decide separately whether any problem needs specialist assessment or a surface-compatible treatment.
Does a foam cannon need a pressure washer?
Most do; confirm the specific accessory and required connection. A hose-fed foam gun is a different setup.
Does the calculator tell me the final panel dilution?
No. It calculates the mixture you measure. Equipment can introduce additional water.
Can I use a bucket dilution in a foam bottle?
Only if the product’s instructions explicitly specify it for that use. Bucket and foam-system directions may differ. Our dilution calculator measures a ratio you supply; it does not determine the correct ratio for a shampoo, machine or attachment.
Interior care
Can I use one cleaner on every car seat?
No. Identify the upholstery and check the vehicle and product instructions first.
Should I soak a stain to make it easier to remove?
Avoid saturating the seat. Use a controlled, compatible method and allow full drying.
Can I use a steam cleaner on every car seat?
No. Verify the exact upholstery and the vehicle’s care instructions before using heat or steam. The appearance of a fabric surface does not establish that the underlying construction, adhesives, electronics or treatment are compatible.
Can glass cleaner go on an infotainment screen?
Only if the screen maker explicitly permits that product and method. Screen coatings differ from ordinary window glass.
Does a glossy dashboard mean it is cleaner?
No. Cleanliness and added shine are different; preserve the original finish and control grip.
Should I dress the steering wheel and pedals?
Do not apply a product that leaves a slippery residue to grip or control surfaces. Follow the vehicle instructions and the product’s explicit approved uses. A product intended to improve the appearance of trim is not automatically suitable for steering controls or pedals.
Paint protection
Is a ceramic spray the same as a professional coating?
No. Product formulation, preparation and application requirements differ. Read the exact product information.
Can I put wax over an existing coating?
Check both systems’ instructions. Adding another product can change performance and maintenance without addressing a real problem.
Can I layer different protection products for a better result?
Do not assume that layering unrelated products improves the result. It can complicate preparation, application and later maintenance. Follow the manufacturers’ compatibility guidance and choose a routine you can maintain consistently.
Is there one correct waxing interval?
No. Use the exact product guidance and inspect the car’s condition and use.
Does weak beading prove the coating has failed?
It is not conclusive on its own. Surface contamination and other residues can affect water behaviour.
Does a loss of water beading prove the protection is gone?
Not by itself. Surface contamination and the nature of the product can affect the way water behaves. Follow the product’s inspection and maintenance guidance and consider the clean surface rather than treating one observation as a complete durability test.
Glass, trim & wheels
Can I use the same towel for wax and windows?
Use dedicated clean glass towels to avoid carrying oily residues onto the window.
Are all water spots removable with cleaner?
No. Some marks may involve surface damage or a coating issue, which needs different assessment.
Can I use vinegar on every car window?
Do not treat a household vinegar mixture as universally compatible with automotive glass assemblies, coatings, tint or surrounding trim. Use the care instructions for the actual surface and a product explicitly suitable for the application.
Is any wheel cleaner safe for every alloy wheel?
No. Check the specific finish and the cleaner’s compatibility list.
Can wheel brushes also be used on paint?
Keep the wheel kit separate to avoid transferring abrasive contamination.
Is an acid-free wheel cleaner safe for every wheel?
No single label phrase establishes universal compatibility. Read the full list of approved surfaces, exclusions and use conditions. The finish, its condition and any manufacturer-specific care requirements still matter.
Detailing tools
Can microfiber go in a washing machine?
Many automotive microfiber towels can; follow the exact care label and separate unsuitable contamination.
Can I use fabric softener?
For the microfiber instructions cited here, no. It can interfere with the towel’s intended performance.
Can one towel do wheels, paint and glass in the same wash?
Keep heavily contaminated wheel work separate from paint and glass. Reusing one towel across all those tasks can transfer dirt and product residue. Plan a small, identifiable set of clean towels rather than relying on a single cloth throughout the job.
Is the highest-GSM towel always best?
No. Match construction and size to the specific task rather than using GSM as a universal quality score.
How many drying towels do I need?
Enough clean, suitable towels to finish without using a saturated or contaminated one. Vehicle size and towel design change that number.
Is a higher GSM towel always better for drying?
No. Drying performance also depends on the towel’s construction, size, condition and intended use. Compare suitable towels for the same task and follow their care instructions. GSM alone does not justify a performance ranking.
Car-care products
What does 4:1 dilution mean?
It depends on which component comes first. Read the label’s words or ask the manufacturer; enter an explicit product-to-water ratio.
Does 1:10 always mean 10% product?
No. One part product to ten water is about 9.09% product. One part in ten total is 10%.
Can I mix two different cleaners if I dilute both?
Do not mix different cleaning products unless their manufacturers explicitly direct that combination. A dilution calculation only describes quantities of a specified product and water; it does not establish the safety or effectiveness of combining chemicals.
Does a bigger bottle always cost less per wash?
No. Compare the price per usable labelled dose, including bottle volume.
Does changing currency convert my price?
No. The tool changes the currency label only. Enter the price you actually pay in that currency.
Does the cheapest cost per wash identify the best shampoo?
No. Cost is one comparison dimension after compatibility and suitability have been established. Cleaning performance, handling, preparation and the required method are separate questions. A calculated low dose cost is not a product-test result.
Seasonal care
Is air drying always enough?
It can leave deposits as water evaporates. A suitable controlled drying step helps reduce remaining water.
Should I rub harder on a spot while drying?
No. Identify and treat the cause with an appropriate method rather than turning drying into abrasive cleaning.
Can a drying aid replace all the drying work?
Follow the exact product’s directions and intended use. A drying aid may be part of a compatible routine, but it is not permission to let contaminated water or product residue dry wherever it lands. Inspect the result and keep the process suitable for the finish.
Will the site email me reminders?
No. Download and import the calendar file, then manage notifications in your calendar app.
Does this replace the vehicle’s service schedule?
No. These are cosmetic care and inspection reminders; follow the manufacturer’s servicing requirements separately.
Does the care-calendar download send email reminders?
No. The tool creates an all-day calendar file for the dates you choose. Import it into your own calendar and configure any notifications there. It does not connect an email account or monitor the car.
Car accessories
Is cordless automatically weaker than corded?
No universal ranking follows from the power source. Compare the actual machine, attachments and evidence for the task.
Can any car vacuum collect a drink spill?
No. Only use a machine for liquids when its instructions explicitly permit wet pickup.
Does a larger wattage number mean better cleaning?
An electrical input rating is not a complete performance comparison. Consider the airflow path, nozzle design, filtration, condition and task, using meaningful product information or genuine comparable testing. A single headline number does not establish the result in your car.
Are custom-fit and universal shades the same?
No. A custom-fit product is selected for specified vehicle details; universal products require their own dimension and fit checks.
Can I compare temperature claims without a test?
Conditions such as sun, glass, orientation and ventilation affect results. A product claim is not our independent measurement.
Can I leave a sunshade in place while driving?
Remove the windscreen shade completely before driving so it does not obstruct visibility or interfere with operation. Follow the product’s directions for parked use, fitting and storage.
Should I use the maximum pressure on the tyre?
Use the vehicle manufacturer’s recommended pressure for the relevant tyres and conditions, as specified on the placard or in the manual.
What does cold pressure mean?
NHTSA describes a cold tyre for its checking guidance as one not driven on for at least three hours. Follow the vehicle’s instructions.
Should I inflate to the maximum pressure on the tyre sidewall?
Use the vehicle manufacturer’s recommended pressure for the application, found on the vehicle label or in its manual. NHTSA distinguishes this from the tyre sidewall rating and recommends checking pressure when tyres are cold. Follow the relevant vehicle guidance.
Does a higher amp number prove a better match?
No. Voltage, battery chemistry, engine guidance, product limits and the vehicle’s instructions all matter.
Is a jump starter the same as a battery charger?
They serve different primary jobs. Use the exact product instructions; do not assume a brief starting device can replace an appropriate charging process.
Can a jump starter repair an unhealthy battery?
No. It does not diagnose or repair the underlying cause of a starting problem. Repeated trouble needs assessment of the battery, charging system or other relevant components by a qualified service provider. Follow both manuals for any permitted use.