Here is the full list of all 63 Car Detailing Simulator achievements.
Fix windows
Find turtle
See credits
Finish game
Get 15 rep
Wash 50 cars
Pressure washer time
Buy all upgrades
Sell lower price
Stairs ride
Water computer
Return dirty
Buy shed car
Repair garage
Buy garage
Get 10 rep
Use small brush
Use sponge
Buy all toolkits
Use automatic polisher
Use paint meter
Wash 10 cars
Find unique
Get 5 rep
Fix trash
Use trash can
Buy interior toolkit
Long session
Fix seat
Use sand paper
Buy seat toolkit
Buy window toolkit
Buy garage upgrade
Use soft brush
Use wide brush
Buy wheel toolkit
Get 2 rep
Wash 1 car
Fix scratches
Use hand polisher
Use flashlight
Buy finish toolkit
Open memory
Take photo
Buy body toolkit
Buy one toolkit
Use vacuum
Finish tutorial
Use window spray
Use seat spray
Use rag
Use pressure washer
Buy lights toolkit
Fix body
Fix wheels
Wash 100 cars
Wash 500 cars
Make money
Overtime
Buy auto salon
Fix ufo
Car 1 minute