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