Fuel Mileage Oil Types Radio Questions and More

<p>1.2019 Ford F150 with a Canada Speedometer wants to switch to US.<br /> 2. 2018 GMC Why is my Low Coolant Light on. <br /> 3. 2015 Lincoln MKC with block crack.<br /> 4. 1999 Suburban engine misfire.<br /> 5. What oil should I use in my 1936 Chevy?<br /> 6. My radio failed in my KIA Optima.<br /> 7. 2021 Ram V6 gets bad mileage. Is it normal?</p>