If you get a quote for any work more than $150, get your car back and seek a second opinion from another dealer or independent repair facility before you take it back for an expensive repair.
Service department is always busy. One service manager has been superstar among sea of other folks. If you need someone who will follow up and text you back, talk to Tameara Wallace. She's great.
After a coolant, oil change, or transmission fluid, always check your car for any leaks or splattered fluids. I got my Camry back with radiator AND tranny fluid all over the engine compartment.