Subaru WRX 2019 Quick Guide

To perform an oil change on a 2019 Subaru WRX, first gather the necessary tools and materials: oil filter, 5.4 quarts of 5W-30 synthetic oil, a wrench, and an oil pan. Lift the car using a jack and secure it with jack stands. Remove the drain plug and let the old oil drain into the pan. Replace the drain plug and remove the old oil filter. Install the new filter, and pour the new oil into the engine. Check the oil level with the dipstick and add more if necessary.
The recommended tire pressure for a 2019 Subaru WRX is 33 psi for the front tires and 32 psi for the rear tires. Always check the tire pressure when the tires are cold for an accurate reading.
To reset the maintenance light on your 2019 Subaru WRX, turn the ignition to the "ON" position without starting the engine. Use the controls on the steering wheel to navigate to the settings menu on the dashboard display. Find and select "Maintenance" and then "Reset". Confirm the reset to turn off the maintenance light.
The 2019 Subaru WRX requires a Subaru Super Coolant or a similar high-quality ethylene glycol-based coolant with non-silicate, non-phosphate, and non-amino additives to prevent corrosion and overheating.
To troubleshoot a check engine light on a 2019 Subaru WRX, use an OBD-II scanner to read the diagnostic trouble codes (DTCs). These codes will give you an indication of what might be causing the issue. Common issues include a loose gas cap, faulty oxygen sensor, or issues with the catalytic converter. Once identified, address the specific problem or consult a professional mechanic if needed.
It is recommended to change the air filter on a 2019 Subaru WRX every 12,000 to 15,000 miles. If you frequently drive in dusty conditions, consider inspecting and replacing the air filter more often.
If the AC in your 2019 Subaru WRX is not blowing cold air, it could be due to several reasons such as low refrigerant levels, a faulty compressor, a clogged cabin air filter, or an electrical issue. Checking the refrigerant level and replacing the cabin air filter are simple starting points. If these do not resolve the issue, consult a professional technician.
The recommended spark plug gap for a 2019 Subaru WRX is 0.028 to 0.031 inches (0.7 to 0.8 mm). It's important to check and adjust the gap before installation to ensure optimal engine performance.
To check the transmission fluid level in a 2019 Subaru WRX, drive the car until it reaches normal operating temperature. Park on a level surface, leave the engine running, and locate the transmission dipstick. Pull it out, wipe it clean, reinsert it fully, then remove it again to check the fluid level. It should be between the "Full" and "Low" marks.
Poor fuel efficiency in a 2019 Subaru WRX could be caused by a variety of factors including under-inflated tires, dirty air filters, faulty oxygen sensors, or aggressive driving habits. Regular maintenance such as tire pressure checks, air filter replacements, and following recommended driving practices can help improve fuel efficiency.